5(x^2-8)=-55

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Solution for 5(x^2-8)=-55 equation: 



5(x^2-8)=-55

We move all terms to the left:

5(x^2-8)-(-55)=0

We add all the numbers together, and all the variables

5(x^2-8)+55=0

We multiply parentheses

5x^2-40+55=0

We add all the numbers together, and all the variables

5x^2+15=0

a = 5; b = 0; c = +15;
Δ = b2-4ac
Δ = 02-4·5·15
Δ = -300
Delta is less than zero, so there is no solution for the equation

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