8x2-9=-91

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Solution for 8x2-9=-91 equation: 



8x^2-9=-91

We move all terms to the left:

8x^2-9-(-91)=0

We add all the numbers together, and all the variables

8x^2+82=0

a = 8; b = 0; c = +82;
Δ = b2-4ac
Δ = 02-4·8·82
Δ = -2624
Delta is less than zero, so there is no solution for the equation

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