-8x2-236+364=0

Solution for -8x2-236+364=0 equation:

-8x^2-236+364=0

We add all the numbers together, and all the variables

-8x^2+128=0

a = -8; b = 0; c = +128;
Δ = b2-4ac
Δ = 02-4·(-8)·128
Δ = 4096
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{4096}=64$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-64}{2*-8}=\frac{-64}{-16}
=+4
$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+64}{2*-8}=\frac{64}{-16}
=-4
$