3x+5x2=-7

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Solution for 3x+5x2=-7 equation: 



3x+5x^2=-7

We move all terms to the left:

3x+5x^2-(-7)=0

We add all the numbers together, and all the variables

5x^2+3x+7=0

a = 5; b = 3; c = +7;
Δ = b2-4ac
Δ = 32-4·5·7
Δ = -131
Delta is less than zero, so there is no solution for the equation

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