If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
2x2 + -100 = 40
Reorder the terms:
-100 + 2x2 = 40
Solving
-100 + 2x2 = 40
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '100' to each side of the equation.
-100 + 100 + 2x2 = 40 + 100
Combine like terms: -100 + 100 = 0
0 + 2x2 = 40 + 100
2x2 = 40 + 100
Combine like terms: 40 + 100 = 140
2x2 = 140
Divide each side by '2'.
x2 = 70
Simplifying
x2 = 70
Take the square root of each side:
x = {-8.366600265, 8.366600265}
| 2x=7+1 | | 64x^2+81= | | p(x)=x^2+7x+6 | | (2*6.5-h)*h=0.64 | | (2*6.5-h)*h= | | (-5.6x)+2.9x-3.86=-9.8 | | 7+35x=21x+11 | | 3/4x+2=1/2x-3 | | (2r-4)*4=36 | | 6=2+2b | | (5v-9)(6+v)=0 | | -4=0.8x | | (20x+21)*(3-10x)=0 | | 3x+3=2y-5 | | 3x-10=-7x-10 | | x(x+8)=2900 | | 30b^2+37b+-1=-11 | | (3+11i)+(10+9i)=equation | | y=1.345+4 | | s+2/6=-3 | | 32y-71=y-77 | | 12y-15=129 | | 9t=1521 | | 17x-8x= | | 4x+5y=46 | | -1.6v=-6 | | -1.6v=5 | | G=10 | | 7x-16=x+4 | | -5/8y=5 | | n^2-14n-15=0 | | 15p^2=-7m+6 |