15x^2+5x-14=0

Simple and best practice solution for 15x^2+5x-14=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 15x^2+5x-14=0 equation:



15x^2+5x-14=0
a = 15; b = 5; c = -14;
Δ = b2-4ac
Δ = 52-4·15·(-14)
Δ = 865
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(5)-\sqrt{865}}{2*15}=\frac{-5-\sqrt{865}}{30} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(5)+\sqrt{865}}{2*15}=\frac{-5+\sqrt{865}}{30} $

See similar equations:

| 6(2y-1)-5(y+1)=0 | | 3(c−72)=33 | | 3(c−72)=33 | | -4x=7x+4 | | w/7.9-(0.14)=0.89 | | w/7.9-(0.14)=0.89 | | 0.89=w/7.9-(0.14) | | -13=-8+7.5h | | -13=-8+7.5h | | -13=-8+7.5h | | w2-18w+56=0 | | w2-18w+56=0 | | w2-18w+56=0 | | w2-18w+56=0 | | -14q-8+2q=-16q+20 | | -14q-8+2q=-16q+20 | | -14q-8+2q=-16q+20 | | -14q-8+2q=-16q+20 | | -14q-8+2q=-16q+20 | | 2u+4(u+7)=-32 | | 2u+4(u+7)=-32 | | 2u+4(u+7)=-32 | | 3x^2)+14x=21 | | 4(2x-2)+2=8x-8 | | 84=-31+x2 | | x-(0.0105)(x)=25 | | x-(0.0105)(x)=25 | | x+13+x=91 | | 3x•6=14 | | 24=-4x;96,6,-6,-96 | | 24=-4x;96,6,-6,-96 | | x+13+x=91 |

Equations solver categories