2x^2+12=30

Simple and best practice solution for 2x^2+12=30 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+12=30 equation: 


Simplifying
2x2 + 12 = 30

Reorder the terms:
12 + 2x2 = 30

Solving
12 + 2x2 = 30

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 2x2 = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 2x2 = 30 + -12
2x2 = 30 + -12

Combine like terms: 30 + -12 = 18
2x2 = 18

Divide each side by '2'.
x2 = 9

Simplifying
x2 = 9

Take the square root of each side:
x = {-3, 3}

See similar equations:

| 4xy-6+2xy+8= | | x=8y+32 | | (3x-7)2=2x+10 | | 3x+(9.75+-3x)=10 | | 6/7=4/2x | | -5x+15+12x-20=6x+6x | | -16=1.8c+32 | | 4y+8-5y+5=y-1 | | Sin50=8/x | | SA=2(3.14)(1.5)(6)+2(3.14)(2.25) | | 3/5(x)=12/25 | | -4a+24+a=3-6a | | f(X)=x^3/tan2x | | 17q+15+4q=12+20q | | 8=5+6(7x-3) | | 2x+6=(-12) | | -8+4n+1-h= | | -4y=-39+12x | | (x-6)*(x-3)= | | 8-9n=80 | | N/19=-9/19 | | 1/6=x/36 | | 4x+32x= | | 4a+24+a=3-6a | | -3y-2y+10y-4y= | | 2/5(x= | | 20/112 | | -10×19/3-20= | | -4y=-3y-13 | | -8p+64=8+56-28p | | -1/-1= | | -8+15z=-8+11z |

Equations solver categories