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(X+12)(3X+48)=X
We move all terms to the left:
(X+12)(3X+48)-(X)=0
We add all the numbers together, and all the variables
-1X+(X+12)(3X+48)=0
We multiply parentheses ..
(+3X^2+48X+36X+576)-1X=0
We get rid of parentheses
3X^2+48X+36X-1X+576=0
We add all the numbers together, and all the variables
3X^2+83X+576=0
a = 3; b = 83; c = +576;
Δ = b2-4ac
Δ = 832-4·3·576
Δ = -23
Delta is less than zero, so there is no solution for the equation
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