Question

The expression below is the factorization of what trinomial?

(5x + 4)(2x - 5)

A.
10x2 - 2x + 20

B.
10x2 - 2x - 20

C.
10x2 - 17x - 20

D.
10x2 - 17x + 20

Answer 1

C. you FOIL it out and combine like terms

Answer 2

Answer: C

Explanation:

(5x + 4)(2x - 5)

= 5x(2x - 5) + 4(2x - 5)

= 10x² -25x +8x -20

= 10x² -17x -20