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-16x^2+80-128=0
We add all the numbers together, and all the variables
-16x^2-48=0
a = -16; b = 0; c = -48;
Δ = b2-4ac
Δ = 02-4·(-16)·(-48)
Δ = -3072
Delta is less than zero, so there is no solution for the equation
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