Question

Multiply: (x – 4)(x + 5)

(a) x2 + 5x - 20,

(b) x2 - 4x - 20,

(c) x2 - x - 20,

(d) x2 + x - 20.
​

Answer 1

Answer:

answer:- d)x2+x-20

Step-by-step explanation:

=(x-4)(x+5)

=x2+5x-4x-20

=x2+x-20

bhai mark as brainliest plz

Answer 2

(d) x^2+x-20

Step-by-step explanation:

$(x - 4)(x + 5) \\ = {x}^{2} + 5x - 4x - 20 \\ = {x}^{2} + x - 20$