-3(x2+6)=42

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Solution for -3(x2+6)=42 equation:



-3(x2+6)=42
We move all terms to the left:
-3(x2+6)-(42)=0
We add all the numbers together, and all the variables
-3(+x^2+6)-42=0
We multiply parentheses
-3x^2-18-42=0
We add all the numbers together, and all the variables
-3x^2-60=0
a = -3; b = 0; c = -60;
Δ = b2-4ac
Δ = 02-4·(-3)·(-60)
Δ = -720
Delta is less than zero, so there is no solution for the equation

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