2c+7.5=6.2-3c2

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Solution for 2c+7.5=6.2-3c2 equation: 



2c+7.5=6.2-3c^2

We move all terms to the left:

2c+7.5-(6.2-3c^2)=0

We get rid of parentheses

3c^2+2c-6.2+7.5=0

We add all the numbers together, and all the variables

3c^2+2c+1.3=0

a = 3; b = 2; c = +1.3;
Δ = b2-4ac
Δ = 22-4·3·1.3
Δ = -11.6
Delta is less than zero, so there is no solution for the equation

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