If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
2x2 + 1 = 129
Reorder the terms:
1 + 2x2 = 129
Solving
1 + 2x2 = 129
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1' to each side of the equation.
1 + -1 + 2x2 = 129 + -1
Combine like terms: 1 + -1 = 0
0 + 2x2 = 129 + -1
2x2 = 129 + -1
Combine like terms: 129 + -1 = 128
2x2 = 128
Divide each side by '2'.
x2 = 64
Simplifying
x2 = 64
Take the square root of each side:
x = {-8, 8}
| 5(y+7)=7*y+35 | | -2+5v=-27 | | 296.64=160+0.56x | | -2(3+9x)= | | (ln(9x+4))-(ln(x))=ln(10) | | W^2+5=36 | | 25x+30=45x+20 | | 4+a+3= | | 15w+17w-5+1=-3w+1-5 | | 2(y+8)=30-5y | | 2(3+9x)= | | -6y+3x^2=y-x+2 | | -5(x-4)=-73 | | 14w+17w-6+5=-5w+5-6 | | 9+10(6a-1)= | | 3b+2p=29.50 | | x+2x-2x+16=180 | | 35-4x=-10 | | (X-1)(9x^2+3x+1)=0 | | x+2x-x+16=180 | | -3(-7w+3)-6w=5(w-1)-8 | | 5N+34=2(1-9N) | | 10-5(6)=20 | | 5.1a+10=71.2 | | 0.25(4x-2)=x-.50 | | 8(x+4)=4(x+8)+4x | | 9x^4+27x^3-13x^2-12x+4=0 | | 10x+2y=54 | | cospix=.5 | | 7(9x-1)=2(9x+1)+846 | | -14+126x=14+84x | | 13x+89=180 |