Question

Find the root of the following quadratic equation x square + x - 156 = 0

Answer 1

Explanation:

this is the answer.i found it by using quadratic formula

Answer 2

Answer:

x= 12, x= -13

Explanation:

x^2+x-156=0

x^2+13x-12x-156=0

x(x+13)-12(x+13)=0

(x-12)(x+13)=0

x=12 x= -13