3x^2=x^2-18

Simple and best practice solution for 3x^2=x^2-18 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=x^2-18 equation:


Simplifying
3x2 = x2 + -18

Reorder the terms:
3x2 = -18 + x2

Solving
3x2 = -18 + x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
3x2 + -1x2 = -18 + x2 + -1x2

Combine like terms: 3x2 + -1x2 = 2x2
2x2 = -18 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
2x2 = -18 + 0
2x2 = -18

Divide each side by '2'.
x2 = -9

Simplifying
x2 = -9

Reorder the terms:
9 + x2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| 5y+2(y-6)=2 | | 90*3(x)=5(x) | | 6(w+6)+2w=28 | | (8w^9/9w)(2/w) | | x+7*x*x=8 | | 8w^9/9wx2/w | | 2x+x+12+3x-6=180 | | 10.2x+39.55=-9.8x+38.19 | | 2x+1=1+4x | | 9m^2+27m+1=0 | | u+u+eu=ue | | 19x-18-11x=4(2x-5)+2 | | 2x+11=1+4x | | x+7=-5x+25 | | 125x^3= | | 25y^2x^2+60yx^2+36x^2= | | 0=4x^2+40x-156 | | 2+-2x+x=x-.5 | | 2z^2+11z+5= | | 7x+6=5(x+2) | | 86/100=5/x | | 2+-1=x+-.5 | | 12-8X=10+8X | | -2x-(-4)=11 | | 24+32= | | 64y^6= | | 3(2x+4)=2(2x-5) | | 3=0.2n-7 | | 4(3+2x)=5(x+2) | | 2v+5=5v-7 | | -2-2x=x-38 | | 3/4+5=-5 |

Equations solver categories