x^2+15=3x-15

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Solution for x^2+15=3x-15 equation: 



x^2+15=3x-15

We move all terms to the left:

x^2+15-(3x-15)=0

We get rid of parentheses

x^2-3x+15+15=0

We add all the numbers together, and all the variables

x^2-3x+30=0

a = 1; b = -3; c = +30;
Δ = b2-4ac
Δ = -32-4·1·30
Δ = -111
Delta is less than zero, so there is no solution for the equation

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