a^2=2a-9=0

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Solution for a^2=2a-9=0 equation: 



a^2=2a-9=0

We move all terms to the left:

a^2-(2a-9)=0

We get rid of parentheses

a^2-2a+9=0

a = 1; b = -2; c = +9;
Δ = b2-4ac
Δ = -22-4·1·9
Δ = -32
Delta is less than zero, so there is no solution for the equation

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