Question

vi x(x+4)= 12 find the roots of the following quadratic equations by factorisation​

Answer 1

given equation is x(x+4)=12

=> x²+4x-12=0

x²+6x-2x-12=0

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

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

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

x=2. x= -6

therefore the roots are 2,-6