7x=4x^2+20x+25

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Solution for 7x=4x^2+20x+25 equation: 



7x=4x^2+20x+25

We move all terms to the left:

7x-(4x^2+20x+25)=0

We get rid of parentheses

-4x^2+7x-20x-25=0

We add all the numbers together, and all the variables

-4x^2-13x-25=0

a = -4; b = -13; c = -25;
Δ = b2-4ac
Δ = -132-4·(-4)·(-25)
Δ = -231
Delta is less than zero, so there is no solution for the equation

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