39x^2=156

Solution for 39x^2=156 equation:

39x^2=156

We move all terms to the left:

39x^2-(156)=0

a = 39; b = 0; c = -156;
Δ = b2-4ac
Δ = 02-4·39·(-156)
Δ = 24336
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{24336}=156$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-156}{2*39}=\frac{-156}{78}
=-2
$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+156}{2*39}=\frac{156}{78}
=2
$