If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
2x2 + 8 = 23
Reorder the terms:
8 + 2x2 = 23
Solving
8 + 2x2 = 23
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + 2x2 = 23 + -8
Combine like terms: 8 + -8 = 0
0 + 2x2 = 23 + -8
2x2 = 23 + -8
Combine like terms: 23 + -8 = 15
2x2 = 15
Divide each side by '2'.
x2 = 7.5
Simplifying
x2 = 7.5
Take the square root of each side:
x = {-2.738612788, 2.738612788}
| 12t-1(7-3t)=-8t-30 | | 4(s+22)=4(s+12) | | x^3+(2x^2)+(4x)+2=0 | | 8x+5y=5x+2y | | x^3+2x^2+4x+2=0 | | 8f=56 | | 2y^2-14y+12=0 | | 2x+4=-3x+7 | | 2j-5=k | | 5x^2+13x+6= | | 8x-7=33 | | -10+3(x)=26 | | 9x+2=5x+3 | | 9x-4=50 | | 2x^2+15x=7 | | -4n+6-2n=12 | | 7m=66 | | 8c-4=84 | | 17(4-z)+6z=-20 | | 9x+2y=5x+3y | | 7x+7=70 | | 6y+9y=45 | | 3t+5=-40 | | 7x+4=74 | | 5x+4y=59 | | x+6y=20 | | 9x+6=87 | | 11x+3y=4x+7y | | 4x+7y=58 | | 2x+198=9x-5 | | k-4=27 | | c-71=8 |