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X^2+10X+45=4X
We move all terms to the left:
X^2+10X+45-(4X)=0
We add all the numbers together, and all the variables
X^2+6X+45=0
a = 1; b = 6; c = +45;
Δ = b2-4ac
Δ = 62-4·1·45
Δ = -144
Delta is less than zero, so there is no solution for the equation
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