Question

Factorize p2 + 7P -144​

Answer 1

The above equation is a quadratic expression. Therefore, we need to find two numbers which multiply to get -144 and add together to get 7.

The factors are -9 and 16.

p^2 + 7p - 144 = p^2 - 9p + 16p - 144

= p (p - 9) + 16 (p - 9)

= (p - 9) (p + 16)