7x-25=2x*x+20

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Solution for 7x-25=2x*x+20 equation: 



7x-25=2x*x+20

We move all terms to the left:

7x-25-(2x*x+20)=0

We get rid of parentheses

7x-2x*x-20-25=0

We add all the numbers together, and all the variables

7x-2x*x-45=0

Wy multiply elements

-2x^2+7x-45=0

a = -2; b = 7; c = -45;
Δ = b2-4ac
Δ = 72-4·(-2)·(-45)
Δ = -311
Delta is less than zero, so there is no solution for the equation

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