15+u-22=9X2

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Solution for 15+u-22=9X2 equation: 



15+u-22=9u^2

We move all terms to the left:

15+u-22-(9u^2)=0

determiningTheFunctionDomain
-9u^2+u+15-22=0

We add all the numbers together, and all the variables

-9u^2+u-7=0

a = -9; b = 1; c = -7;
Δ = b2-4ac
Δ = 12-4·(-9)·(-7)
Δ = -251
Delta is less than zero, so there is no solution for the equation

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