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15x^2+12^3=0
We add all the numbers together, and all the variables
15x^2+1728=0
a = 15; b = 0; c = +1728;
Δ = b2-4ac
Δ = 02-4·15·1728
Δ = -103680
Delta is less than zero, so there is no solution for the equation
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