12x+7x^2=x-5

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Solution for 12x+7x^2=x-5 equation: 



12x+7x^2=x-5

We move all terms to the left:

12x+7x^2-(x-5)=0

We get rid of parentheses

7x^2+12x-x+5=0

We add all the numbers together, and all the variables

7x^2+11x+5=0

a = 7; b = 11; c = +5;
Δ = b2-4ac
Δ = 112-4·7·5
Δ = -19
Delta is less than zero, so there is no solution for the equation

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