Question

x(x + 4) = 12 find the roots following quadratic equation by factorisation​

Answer 1

Answer:

-6 and 2

Step-by-step explanation:

x(x+4) = 12

x^2 + 4x -12 =0

x^2 + 6x - 2x -12 =0

x(x+6) -2(x+6) =0

(x+6)(x-2) = 0

x = -6 and x = 2