Find the product : (x + 5)(x - 5).

Multiply a Trinomial by a Binomial In the following exercises, multiply using any method. (x+1)(x23x21)

In the following exercises, find the height for each polynomial function. 71. The polynomial C(x)=6x2+90x gives the cost, in dollars, of producing a rectangular container whose top and bottom are squares with side x feet and height 6 feet. Find the cost of producing a box with x=4 feet.

In the following exercises, multiply the binomials. Use any method. 265. (6pq3)(4pq5)

Multiply using the vertical method: (6n5)(7n2).

Determine the product of the following: (x - 3) (x+7)