x(x+5)-2x=0

Simple and best practice solution for x(x+5)-2x=0 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 x(x+5)-2x=0 equation:



x(x+5)-2x=0
We add all the numbers together, and all the variables
-2x+x(x+5)=0
We multiply parentheses
x^2-2x+5x=0
We add all the numbers together, and all the variables
x^2+3x=0
a = 1; b = 3; c = 0;
Δ = b2-4ac
Δ = 32-4·1·0
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{-(3)-3}{2*1}=\frac{-6}{2} =-3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(3)+3}{2*1}=\frac{0}{2} =0 $

See similar equations:

| 4h+-4=0 | | -4v=4(-2v+1) | | F(x)=(x+4)(5x–11) | | 2x=-x2-15* | | -2(f-9)=8 | | 18x-0=-16 | | 2+4.75=63+3x | | -3(w+5.9)=-5.7 | | 25+2w=7w | | 9-6(3+x)=0 | | 52+(4x)=180 | | V=x(18-2x)(10-2x) | | 9u+32=15(u-4) | | 2q2-6=-3q* | | 38+(x)=90 | | 0-15y=-6 | | -(z-3)=-4 | | x+0,005=7,95 | | 26=8n | | 45+(2x)=90 | | 24h/6=40-h | | 6+6y=9+9y | | −2(4x+3)=-8x-5 | | 10j=8j+4(2j-3) | | 30+(2x)=90 | | 8x+0=1 | | 0+18y=20 | | -3(2+9v)= | | a-21=58 | | x-8,25=3 | | (3x)+120=180 | | x+x^2=35496,51419 |

Equations solver categories