19x-12=2x^2

Simple and best practice solution for 19x-12=2x^2 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 19x-12=2x^2 equation:



19x-12=2x^2
We move all terms to the left:
19x-12-(2x^2)=0
determiningTheFunctionDomain -2x^2+19x-12=0
a = -2; b = 19; c = -12;
Δ = b2-4ac
Δ = 192-4·(-2)·(-12)
Δ = 265
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{-(19)-\sqrt{265}}{2*-2}=\frac{-19-\sqrt{265}}{-4} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(19)+\sqrt{265}}{2*-2}=\frac{-19+\sqrt{265}}{-4} $

See similar equations:

| 249=64+5x | | 5x-2x+6x+30=6 | | -y/42+92=30 | | 138=6x+64 | | -102+2y=75 | | 14x+5+105=180 | | 5(12+-2y)+10y=400 | | 56=x/9=24 | | -16+s=30 | | 5p+7=5p=-21 | | 15-y/18=24 | | n/3=n/48 | | 5n^2-3n-4712=0 | | 5n^2-3n+4712=0 | | x/(1-x)=0.02 | | -2x+5(-5x-21)=-24 | | 7x-(3÷2)×(4x-9)=6.5 | | 9=2d | | 4+6x+68=180 | | 5x^2-11=7 | | 6x+10+5x+3=90 | | 7x+3+87=180 | | 2x-5+57=90 | | -(1/9)(x-27)+1/3(x+3)=x-17 | | 4x*2=4x*9 | | .8y=2000 | | 2(x-0.2)=3(0.3-x) | | x+18+60=90 | | n^2+18n=-75 | | 0.4p=90 | | (3x+4)+(2x+2)=0 | | 4x-20+30=90 |

Equations solver categories