Question

14 If one of the factor of x2 + x – 20 is (x + 5). Find the other(a) x – 4 (b) x + 2 (c) x + 4 (d) x – 5​

Answer 1

Answer:

(a) x-4

Step-by-step explanation:

x^2+x-20

x^2+5x-4x-20

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

(x+5)(x-4)

First factor=(x+5)

Second factor=(x-4)