Multiply: (x-4)(X+5) Choose the correct choice:
A) xpower2 + 5x-20 B) xpower2 - 4x - 20 C) xpower2 - x - 20 D) xpower2 + x - 20 E) x - 20
(x-4)(x+5)=x(X+5)-4(x+5), = xpower2 + 5x - 4x - 20, =xpower2 + x - 20 . the correct answer : (xpower2 + x - 20)
<result>D</result>
Multiply: (x-4)(X+5)