If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
2x2 + -198 = 0
Reorder the terms:
-198 + 2x2 = 0
Solving
-198 + 2x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '198' to each side of the equation.
-198 + 198 + 2x2 = 0 + 198
Combine like terms: -198 + 198 = 0
0 + 2x2 = 0 + 198
2x2 = 0 + 198
Combine like terms: 0 + 198 = 198
2x2 = 198
Divide each side by '2'.
x2 = 99
Simplifying
x2 = 99
Take the square root of each side:
x = {-9.949874371, 9.949874371}
| 1/6n=20 | | c+11=-2 | | X/5x^2+(6x-2)^2-120=0 | | 5(a-2)=4(a-1) | | 4y=-3x-12 | | 4-2i= | | 3/4(x-16)=21/4 | | 2x/4-x=x-4 | | x=a+6 | | 4x+11=-31-1 | | 3/4(x-16)+21/4 | | 3x^2-9=27 | | y^2-3y-10y-30=0 | | 3/4(x-16)+51/4 | | -2p+7=6-(9p+8) | | X^2+120=1 | | 3u+5v=15 | | 5x^2+34x-10= | | x+x+(x+3)+(x+3)=24 | | 1-n*5=12 | | 3+10i= | | 3.2e+2.6=-23e | | -1+-3+1= | | 3x^2=6y+15 | | X/5x^2=120 | | 3ln(2)+ln(8)=2ln(32) | | 3ln(2)+ln(8)=2ln(16) | | 50=3j-23 | | 3ln(2)+ln(8)=2ln(8) | | 3ln(2)+ln(8)=2ln(4) | | 6*0+2y=12 | | 3ln(2)+ln(8)=2ln(4x) |