(Q-9)x2=18

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Solution for (Q-9)x2=18 equation: 



(-9)Q2=18

We move all terms to the left:

(-9)Q2-(18)=0

We multiply parentheses

-9Q^2-18=0

a = -9; b = 0; c = -18;
Δ = b2-4ac
Δ = 02-4·(-9)·(-18)
Δ = -648
Delta is less than zero, so there is no solution for the equation

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