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X^2=7X-144=0
We move all terms to the left:
X^2-(7X-144)=0
We get rid of parentheses
X^2-7X+144=0
a = 1; b = -7; c = +144;
Δ = b2-4ac
Δ = -72-4·1·144
Δ = -527
Delta is less than zero, so there is no solution for the equation
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