3x^2-4+2x=7x+2

Simple and best practice solution for 3x^2-4+2x=7x+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 3x^2-4+2x=7x+2 equation:



3x^2-4+2x=7x+2
We move all terms to the left:
3x^2-4+2x-(7x+2)=0
We get rid of parentheses
3x^2+2x-7x-2-4=0
We add all the numbers together, and all the variables
3x^2-5x-6=0
a = 3; b = -5; c = -6;
Δ = b2-4ac
Δ = -52-4·3·(-6)
Δ = 97
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{97}}{2*3}=\frac{5-\sqrt{97}}{6} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-5)+\sqrt{97}}{2*3}=\frac{5+\sqrt{97}}{6} $

See similar equations:

| 8/32=22/n | | 6(c−12)=−6 | | 17j=16+16j | | 3^2x-10*3^x+9=0 | | 24a–22=4(1–6a) | | .5=x/15 | | 6v-6+3v=24+6 | | 5x+9=-3x-12-5x | | 14x+30-8x=6(x+5) | | 4x-2(3x+7)=-2x-7 | | 8w+1=20+9w | | -10+6-x=-1 | | (2x+6)=(x+9)=180 | | 6m-(m-4)=33 | | 15•1/3•n=350 | | 4x-2(3x+7)=-4x-7 | | -1(x+6)+12=5x-18 | | -6d-2=-9d-2 | | 2x+x^2-9=90 | | 6x^2+2x-2=1 | | 180=(13y-10)+(3y) | | 2f=-6+3f | | 4(2r+1)-3(2r5)=29 | | -2b+2(b+5)=7+3(11-5b) | | -10+6-x=1 | | 4/x-2=14 | | (8x-14)=(7x-1)=180 | | -173.46=11.8x | | 17=n/4+15 | | 14n+1=8n-7(2-3n) | | 2(b+2.6)=7.6 | | 2x^2+13x=-5+2x |

Equations solver categories