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9(x^2+16)=8x
We move all terms to the left:
9(x^2+16)-(8x)=0
We add all the numbers together, and all the variables
-8x+9(x^2+16)=0
We multiply parentheses
9x^2-8x+144=0
a = 9; b = -8; c = +144;
Δ = b2-4ac
Δ = -82-4·9·144
Δ = -5120
Delta is less than zero, so there is no solution for the equation
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