Question

5x2-8x-4
And answer is 2,-2/5

Answer 1

5x²-8x-4=0

5x²-10x+2x-4=0

5x(x-2)+2(x-2)=0

(5x+2) (x-2)=0

x=-2/5,x=2

HOPE IT WILL BE HELPFUL FOR U!!!!