x*2-x-20=0

Simple and best practice solution for x*2-x-20=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*2-x-20=0 equation:


Simplifying
x * 2 + -1x + -20 = 0

Reorder the terms for easier multiplication:
2x + -1x + -20 = 0

Reorder the terms:
-20 + 2x + -1x = 0

Combine like terms: 2x + -1x = 1x
-20 + 1x = 0

Solving
-20 + 1x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '20' to each side of the equation.
-20 + 20 + 1x = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 1x = 0 + 20
1x = 0 + 20

Combine like terms: 0 + 20 = 20
1x = 20

Divide each side by '1'.
x = 20

Simplifying
x = 20

See similar equations:

| 2a-b=c-4d | | 8(5-6p)=40 | | 3(g-5)+4=19 | | 100-(2x-3)=3 | | 12+(3x+2)=50 | | 4t+t=0 | | 30n^2b-8nb+30b=0 | | 3x-13=7+5x | | 3(6z+-1)+-5(z+5)=9(z+1) | | 127+90= | | -8-(6n+1)= | | 18a^2-27ab+10b^2=0 | | 3(6z-1)-5(z+5)=9(z+1) | | 3b^3+-5b^2+2b=0 | | x+14=5x-50 | | 5x^2+54x-143=0 | | 22(2-x)+12x=44 | | 33x^2+6=0 | | 5x^2-54x-143=0 | | 40x^2-1140x-18400=0 | | 27y*3= | | -7=8-5+q | | 2(1-8x)=34 | | 3x^2-1x+2=0 | | x^6+3x^4+9x^3+82x^2+15x+6=0 | | x^2+8=152 | | 5xsquare-6x+3=0 | | 6x^2+4y^2+32x+24y=12 | | 0.5(3x-10)-0.2(2x+4)=7.4 | | n=5-m | | n=-m | | 2x*x-5x+2=2x(x-5)+2 |

Equations solver categories