If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
2x2 + -5 = 31
Reorder the terms:
-5 + 2x2 = 31
Solving
-5 + 2x2 = 31
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '5' to each side of the equation.
-5 + 5 + 2x2 = 31 + 5
Combine like terms: -5 + 5 = 0
0 + 2x2 = 31 + 5
2x2 = 31 + 5
Combine like terms: 31 + 5 = 36
2x2 = 36
Divide each side by '2'.
x2 = 18
Simplifying
x2 = 18
Take the square root of each side:
x = {-4.242640687, 4.242640687}
| 3x+4-10=18 | | x^2-5=2x | | 15i-25i=15 | | 9x^2-625=0 | | 5(y-1)=3y-15 | | lnx=10 | | 7X-X+2=-5(2X-1) | | 8+2+3+6+5= | | 5y-15y=-57-73 | | 5y-10y=-57-73 | | 19p=10p+54 | | 55=5(3x-1) | | b=-0.01t^2+0.8t | | b=0.01t^2+0.8t | | 10=2p-16+4p | | -12=x^2-21 | | 4(3-a)-(6a+1)=-11a | | -7(t+1)=56 | | 12k^2+15k=16k+21 | | y+3=.33(x-6) | | 9x+14=5x+114 | | x^3+8x^2+5x-14=0 | | 6(x+3)=2y | | (7-6i)+(9+11i)=0 | | 2(3x+7)=x+3(3x-2) | | 2(x-3)=2x+5 | | 4-4=7x+3x | | 10-8(1+x)=7 | | g=139-11t | | 4+4=7x+3x | | 8-7x=44-28x | | 6(x+3)= |