15x^2+2x=2

Solution for 15x^2+2x=2 equation:

15x^2+2x=2

We move all terms to the left:

15x^2+2x-(2)=0

a = 15; b = 2; c = -2;
Δ = b2-4ac
Δ = 22-4·15·(-2)
Δ = 124
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:

$\sqrt{\Delta}=\sqrt{124}=\sqrt{4*31}=\sqrt{4}*\sqrt{31}=2\sqrt{31}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(2)-2\sqrt{31}}{2*15}=\frac{-2-2\sqrt{31}}{30}
$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(2)+2\sqrt{31}}{2*15}=\frac{-2+2\sqrt{31}}{30}
$