Question

. If one of the factor of x2 + x – 20 is (x + 5). Find the other

Answer 1

Step-by-step explanation:

X²+X-20

X²+5X-4X-20

X(X+5)-4(X+5)

(X-4)(X+5)

THE OTHER FACTOR IS X-4

Answer 2

Step-by-step explanation:

Second factor = (x² + x - 20)/(x + 5)

{x² + 5x - 4x - 20}/(x + 5)

{x(x + 5)-4(x + 5)} /(x + 5)

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

= (x - 4)