-9x2+18x=16

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Solution for -9x2+18x=16 equation: 



-9x^2+18x=16

We move all terms to the left:

-9x^2+18x-(16)=0

a = -9; b = 18; c = -16;
Δ = b2-4ac
Δ = 182-4·(-9)·(-16)
Δ = -252
Delta is less than zero, so there is no solution for the equation

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