4x^2-32x+12=0

Solution for 4x^2-32x+12=0 equation:

4x^2-32x+12=0

a = 4; b = -32; c = +12;
Δ = b2-4ac
Δ = -322-4·4·12
Δ = 832
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:

$\sqrt{\Delta}=\sqrt{832}=\sqrt{64*13}=\sqrt{64}*\sqrt{13}=8\sqrt{13}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-32)-8\sqrt{13}}{2*4}=\frac{32-8\sqrt{13}}{8}
$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-32)+8\sqrt{13}}{2*4}=\frac{32+8\sqrt{13}}{8}
$