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12x^2=7x-12
We move all terms to the left:
12x^2-(7x-12)=0
We get rid of parentheses
12x^2-7x+12=0
a = 12; b = -7; c = +12;
Δ = b2-4ac
Δ = -72-4·12·12
Δ = -527
Delta is less than zero, so there is no solution for the equation
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