7x+9x2=5x-6

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Solution for 7x+9x2=5x-6 equation:



7x+9x^2=5x-6
We move all terms to the left:
7x+9x^2-(5x-6)=0
We get rid of parentheses
9x^2+7x-5x+6=0
We add all the numbers together, and all the variables
9x^2+2x+6=0
a = 9; b = 2; c = +6;
Δ = b2-4ac
Δ = 22-4·9·6
Δ = -212
Delta is less than zero, so there is no solution for the equation

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