3x(x-5)=2x

Simple and best practice solution for 3x(x-5)=2x 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(x-5)=2x equation:



3x(x-5)=2x
We move all terms to the left:
3x(x-5)-(2x)=0
We add all the numbers together, and all the variables
-2x+3x(x-5)=0
We multiply parentheses
3x^2-2x-15x=0
We add all the numbers together, and all the variables
3x^2-17x=0
a = 3; b = -17; c = 0;
Δ = b2-4ac
Δ = -172-4·3·0
Δ = 289
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{289}=17$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-17)-17}{2*3}=\frac{0}{6} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-17)+17}{2*3}=\frac{34}{6} =5+2/3 $

See similar equations:

| 9.5h=218.5 | | x/3=11/18 | | 8=-x+2-x | | u3+12=15 | | -3x-4+5x=12 | | 8x+2+32+70=180 | | 23=x+8=15 | | 43/4x=1/2 | | 45/10=36/c | | X2+30x+225=0 | | w-253=167 | | 70+x+76+40=180 | | 3+2u=7U= | | 2(3h+1)=12-4h | | 10^x=1024 | | 8x=-15+7 | | 5x+1+69+70=180 | | 144=6(4-4x) | | 6+(s/2)=19 | | 1/2(m+14/8)=3/4 | | x2-10=215 | | z+41=88 | | (2x+15-2=180 | | 2(20-x)=10 | | −11−5a=6(5a+4) | | 10-z=42 | | 25+25x=25x+64 | | 225-15=y | | -7=k-16 | | t+28=85 | | 135=5b-10 | | -4(-2+8m=-152 |

Equations solver categories