2x(4-8x)=25+x

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Solution for 2x(4-8x)=25+x equation: 



2x(4-8x)=25+x

We move all terms to the left:

2x(4-8x)-(25+x)=0

We add all the numbers together, and all the variables

2x(-8x+4)-(x+25)=0

We multiply parentheses

-16x^2+8x-(x+25)=0

We get rid of parentheses

-16x^2+8x-x-25=0

We add all the numbers together, and all the variables

-16x^2+7x-25=0

a = -16; b = 7; c = -25;
Δ = b2-4ac
Δ = 72-4·(-16)·(-25)
Δ = -1551
Delta is less than zero, so there is no solution for the equation

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