3x2-2x=x2+3x-2

Simple and best practice solution for 3x2-2x=x2+3x-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 3x2-2x=x2+3x-2 equation:



3x^2-2x=x2+3x-2
We move all terms to the left:
3x^2-2x-(x2+3x-2)=0
We add all the numbers together, and all the variables
3x^2-(+x^2+3x-2)-2x=0
We get rid of parentheses
3x^2-x^2-3x-2x+2=0
We add all the numbers together, and all the variables
2x^2-5x+2=0
a = 2; b = -5; c = +2;
Δ = b2-4ac
Δ = -52-4·2·2
Δ = 9
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{9}=3$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-5)-3}{2*2}=\frac{2}{4} =1/2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-5)+3}{2*2}=\frac{8}{4} =2 $

See similar equations:

| 4(w-6)-7w=6 | | 13x-61=56 | | 4v=-9 | | 3+5/8k=-12 | | 18x-11+65=180 | | |3p+6|=27 | | (2y-2)+(5y-9)+(2y-18)=180 | | 5x+35=-9x+21+4x | | 18x-11=65 | | 9=4+y | | 12(2x)=146 | | 68+6x=200 | | 15x-24x=12x+28x | | (3x+6)°=(2x+6)° | | (90-4y)+(130-8y+5y)+(260-8y+3y)=180 | | -3x/4=34 | | 180=5x+90+65 | | 4x+4=3x+4x-14 | | 35+(4w+11)+(3w-34)=180 | | x2=2(x-1) | | 3-y/4=y+5/3 | | 3.5/k=0.2/0.5 | | 382000=3.82x10 | | 28v-12-3v=7v-7-2 | | -129+13x=180 | | 10x-25+75=180 | | 68+(2v-50)+(v-15)=180 | | 11=-7-2x | | 0=16t2-8t+120 | | 12+6p=53 | | 3(x-6)=2(4x+1) | | 3c+(c+3)+(2c+3)=180 |

Equations solver categories