Question

Find the roots of the quadratic equation x square +7x+12=0

Answer 1

Answer:

x²+7x+12=0

x²+4x+3x+12=0

(x+4) (x+3) =0

x=-3, -4

Answer 2

Answer:

x² + 7x + 12 = 0

sum = 7 product = 12

x² + 4x + 3x + 12 = 0

x(x + 4) + 3(x + 4) =0

(x+4) (x+3) = 0

x = -4 , -3

α= -4  β= -3