x*(x-7)*(x+7)=-120

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Solution for x*(x-7)*(x+7)=-120 equation: 



x(x-7)(x+7)=-120

We move all terms to the left:

x(x-7)(x+7)-(-120)=0

We add all the numbers together, and all the variables

x(x-7)(x+7)+120=0

We use the square of the difference formula

x^2-49+120=0

We add all the numbers together, and all the variables

x^2+71=0

a = 1; b = 0; c = +71;
Δ = b2-4ac
Δ = 02-4·1·71
Δ = -284
Delta is less than zero, so there is no solution for the equation

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