-4x(x-5)=8(x+2)

Solution for -4x(x-5)=8(x+2) equation:

-4x(x-5)=8(x+2)

We move all terms to the left:

-4x(x-5)-(8(x+2))=0

We multiply parentheses

-4x^2+20x-(8(x+2))=0


We calculate terms in parentheses: -(8(x+2)), so:

8(x+2)

We multiply parentheses

8x+16

Back to the equation:

-(8x+16)


We get rid of parentheses

-4x^2+20x-8x-16=0

We add all the numbers together, and all the variables

-4x^2+12x-16=0

a = -4; b = 12; c = -16;
Δ = b2-4ac
Δ = 122-4·(-4)·(-16)
Δ = -112
Delta is less than zero, so there is no solution for the equation