Coefficient of x*yl2 in opening of (2x + 3y)20

Please answer it in easy way : What is the coefficient of x9 in the expansion of (x+1)14 + x3(x+2)15 ?

Find the remainder of dividing 6^17 + 17^6 by the followingnumbers: 3,7

Bank of America New Tab 7- Factoring Polynomials (GCFS) ☆ D O Last edit was 1 hour ago 12 +. BIUA 1. Which expression represents 36r² – 100y° factored completely? 1) 2(9x+25y')(9, 25y') 2) 4(3x + 5y')(3x- 5y') 3) (6x+ 10y)(6x – 10y') 4) (18x+50y’)(18x – 50y')