=10+7x+5x2

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Solution for =10+7x+5x2 equation: 



=10+7x+5x^2

We move all terms to the left:

-(10+7x+5x^2)=0

We get rid of parentheses

-5x^2-7x-10=0

a = -5; b = -7; c = -10;
Δ = b2-4ac
Δ = -72-4·(-5)·(-10)
Δ = -151
Delta is less than zero, so there is no solution for the equation

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