7x+30=19x^2

Simple and best practice solution for 7x+30=19x^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 7x+30=19x^2 equation:



7x+30=19x^2
We move all terms to the left:
7x+30-(19x^2)=0
determiningTheFunctionDomain -19x^2+7x+30=0
a = -19; b = 7; c = +30;
Δ = b2-4ac
Δ = 72-4·(-19)·30
Δ = 2329
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{-(7)-\sqrt{2329}}{2*-19}=\frac{-7-\sqrt{2329}}{-38} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(7)+\sqrt{2329}}{2*-19}=\frac{-7+\sqrt{2329}}{-38} $

See similar equations:

| 7z+3=-2z=-12 | | x+(-22)=35 | | h/5=21 | | 5(-5+q)=5-q | | 2(x+6)=100 | | 41/105=x/630 | | |2x+10|=14 | | -2/3w-1/2=2/7 | | -3x-4=2x-2 | | -5x^2=-20x | | 3/8x-5=13 | | v=155 | | 12r=3r+18 | | (5n+5)=25 | | 10x+28(x-4)=420 | | 7(2x-5)=13+2x | | 11/23=616/x | | x^2=14x=0 | | 4x+22+5x-8=180 | | 6(1+2x)=26+8x | | 4x+22+5x-8=189 | | 8b+3+-2b=-45 | | 6x+7+8x-17=180 | | 4(u+3)=-4(4u-1)+8u | | 4p^2-32p-5=0 | | -3(-x+5)-3x=3(x-5)-6 | | 9=–2v–v | | 8x+x^2=20 | | (x+3)(x-3)=6x-17 | | -7(y-4)=6y-37 | | 7u+45=-5(u+3) | | 5(y+2)-7y=-6 |

Equations solver categories