Question

solve quadratic equation by formula.
(x-4) (x+ 2)=0​

Answer 1

your answer dear.........

Explanation:

x²+2x-4x-8=0

x²-2x-8=0

x²-4x+2x-8=0

x(x-4)+2(x-4)=0

(x+2)(x-4)=0

so x= -2,4