2x^2-2=18-3x^2

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


Simplifying
2x2 + -2 = 18 + -3x2

Reorder the terms:
-2 + 2x2 = 18 + -3x2

Solving
-2 + 2x2 = 18 + -3x2

Solving for variable 'x'.

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

Add '3x2' to each side of the equation.
-2 + 2x2 + 3x2 = 18 + -3x2 + 3x2

Combine like terms: 2x2 + 3x2 = 5x2
-2 + 5x2 = 18 + -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-2 + 5x2 = 18 + 0
-2 + 5x2 = 18

Add '2' to each side of the equation.
-2 + 2 + 5x2 = 18 + 2

Combine like terms: -2 + 2 = 0
0 + 5x2 = 18 + 2
5x2 = 18 + 2

Combine like terms: 18 + 2 = 20
5x2 = 20

Divide each side by '5'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

See similar equations:

| x+4/x+5 | | =-8x^2+2 | | ln(3x+1)=ln(x) | | f(x)=-8x^2+2 | | 840-0.4= | | 0.04-840= | | (-7)-(4)= | | (-3)-(3)= | | (-4)-(-1)= | | (-4)-(-3)= | | (-7)-(-3)= | | 25x-7=14 | | 2x-9=x+13 | | 2x+14=29 | | 4(x+2)=5(x-1) | | w=344/33 | | 6w+3=6(w+0.5) | | x-(4x-11)=5 | | (1-(1/2)*3) | | -1x=0 | | 24=n | | -(5y+1)-(-4y-8)=5 | | d=1/2k | | -3x^4+6x^3-4x^2+2x-.25=0 | | 7x-48= | | (2x+5)(5x-2)= | | 7x+14y=208 | | (2x+5)x(5x-2)= | | (3x+6)(3x-6)= | | -4t+8+8t=6t-9 | | 2000%1000= | | 12n+96=12n+96 |

Equations solver categories