2x(4x-9)=4x+3x-20

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Solution for 2x(4x-9)=4x+3x-20 equation: 



2x(4x-9)=4x+3x-20

We move all terms to the left:

2x(4x-9)-(4x+3x-20)=0

We add all the numbers together, and all the variables

2x(4x-9)-(7x-20)=0

We multiply parentheses

8x^2-18x-(7x-20)=0

We get rid of parentheses

8x^2-18x-7x+20=0

We add all the numbers together, and all the variables

8x^2-25x+20=0

a = 8; b = -25; c = +20;
Δ = b2-4ac
Δ = -252-4·8·20
Δ = -15
Delta is less than zero, so there is no solution for the equation

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