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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