5x*2x=4x-40

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Solution for 5x*2x=4x-40 equation: 



5x*2x=4x-40

We move all terms to the left:

5x*2x-(4x-40)=0

Wy multiply elements

10x^2-(4x-40)=0

We get rid of parentheses

10x^2-4x+40=0

a = 10; b = -4; c = +40;
Δ = b2-4ac
Δ = -42-4·10·40
Δ = -1584
Delta is less than zero, so there is no solution for the equation

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