4x(8x-x)-2=9x-20+x-5

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Solution for 4x(8x-x)-2=9x-20+x-5 equation: 



4x(8x-x)-2=9x-20+x-5

We move all terms to the left:

4x(8x-x)-2-(9x-20+x-5)=0

We add all the numbers together, and all the variables

4x(+7x)-(10x-25)-2=0

We multiply parentheses

28x^2-(10x-25)-2=0

We get rid of parentheses

28x^2-10x+25-2=0

We add all the numbers together, and all the variables

28x^2-10x+23=0

a = 28; b = -10; c = +23;
Δ = b2-4ac
Δ = -102-4·28·23
Δ = -2476
Delta is less than zero, so there is no solution for the equation

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