[a + 9   5z+1   9m]       [10a    9z    6m]        [20     -55    135]                                +                              =  [9k         3          5]        [  8k     3       5]         [68      6      10] a= z= m= k=

Q: Simplify:(3x- 1)0

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Q: -3x +4 2 -3x 9x² -12x -4 Enter simplified answer here.

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Q: Q6. arg(-25(6i)®(-1- 1)*) = 27n а. + 2kn 2 b. 0 + 2kn с. 2 + 2kn 17n d. 2

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Q: 2 9.) (3x° -7x- 22x+ 8) ÷ ( 3x–1) 3

A: Given query is to perform the division.

Q: b. (6-x)(2 + x)

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Q: 30+(-6x+7x)-45 = 30+(-6+7)x-45 represents what property?

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Q: Multify and simplify  (5cuberoot(25))(6cuberoot(5))

A: The given numbers are (5cube root of (25)) × (6 cube root of (5)).

Q: (4 - 2 5/6 - 5/12) x (7 1/12 - 5 3/4)

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Q: 8(xtz)-6=3 x-4)+ 33(x-4\+ 22 = 3

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Q: Multiply (-3xy")(6x²y") A 18xy O3xy -18xy -18x y15 Question 25 Multiply-2n(n² - 3n+ 5) -2n +6n? -10n…

A: The given expression is -3x4y36x2y3 -3x4y36x2y5=-18x4x2y3y5=-18x4+2y3+5=-18x6y8 Therefore, option C…

Q: Choose the property of addition that j (6+a)+5=6+(a+5)

A: The given addition 6+a+5=6+a+5. We have to find the property of addition that represents the given…

Q: Add (10-5i)+(2+3i)

A: We can find the addition as below

Q: Show that (A + B)² is different from A? + 2AB+ B², when 1 A = 2 1 and B 3

A:

Q: 8-4 ( x+5) -7 = 7+ 2(4-2x)-16

A: Given,           8 – 4 (x + 5) – 7 = 7 + 2 (4 – 2x) –16           Now solving for x, we get– 4x –20…

Q: Which of the following is equivalent to (5x - 9)(5x + 9)? 10x² – 18 O 25x2-81 25x2-90x-81 25x2+81

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Q: Simplify: (2-5)(2+5) 2(x+5) (z-5)(2-2) 4(x-2)

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Q: why is this true 7a -2a +4a is equivalent to 11a – 2a

A: From the given problem:   7a-2a+4a   From the order of the mathematical operations:…

Q: On simplifying (a + b- 3) – (2b – a + 3) + (a - b + 3) the result is 3a - b- 3 a + b-3 3a - 2b - 3 a…

A:

Q: 6.) Simplify: 2(x+ 5) + -8(2x)

A: Given: 2(x+5)+-8(2x)we know that a×(b+c)= a×b+a×cthen  2(x+5)+-8(2x)= 2×x+2×5-8×2×x…

Q: Multiply (9a - 4)² 81a-72a+ 16 9a2- 72a+16

A: Given : (9a - 4)2

Q: 2. Simplify. a) (24m +3n)/ (2-2m+2n) b) (3x ²)²(3x²) c) 8x²y/32xy

A: Some formula:   (1)        ax/ay   =   ax-y(2)        ax·ay   =   ax+y(3)      ( ax)y   = axy

Q: 7.) Simplify: 4x + 8x + 2(1 - 3g) + 8( g+ 2)

A:

Q: verify that 3(A + B) = 3A + 3B

A:

Q: (42+7J-1662+1)

A: Answer

Q: 2(5)+5+1

A:

Q: 10+[3×(20÷5+2×8)]

A: We have to solve the given expression.

Q: Simplify 362-3y3 Hoczy-3

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Q: 1) (m-6m2-16m + 63) + (m – 7)

A:

Q: Simplify: a³ (5a? + 3a + 2)

A: a35a2+3a+2

Q: (2x + 11)° 14x – 3)º

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Q: 1 26x+ 7 75-9

A: Solution of the equation is shown on the board: 7x-1/9≤6x+2/7

Q: What is the product of (5x +4)(4x- 4)? O 162- 16 O Orange O 20x- 4x 20r2 16 20x + 36x - 16 ОООО

A: We are given the expression (5x+4)(4x-4) and we need to find the product

Q: 10. Remove the parentheses by multiplication: a. 6(3a-4) = b. x(2x + 10) = c. 9(9x-9) = d.…

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Q: 3 5.) (x+ 7x-44) ÷ (x+ 9)

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Q: Simplify: (4x-y2z-2)(5x'y3z)(x*y%z*)

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Q: Add (4x4−8x2+5x−6) and (3x3−7x2+18)     A. 7x3−15x2+5x+12 B. 4x4+3x3−15x2+5x+12 C. 4x4+3x3−15x2+12…

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Q: perform the indicated operation  ( 8r2+5r-14)+(-7r2-17r+7)=

A: