If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
x2 + -18 + 7 = 0
Reorder the terms:
-18 + 7 + x2 = 0
Combine like terms: -18 + 7 = -11
-11 + x2 = 0
Solving
-11 + x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '11' to each side of the equation.
-11 + 11 + x2 = 0 + 11
Combine like terms: -11 + 11 = 0
0 + x2 = 0 + 11
x2 = 0 + 11
Combine like terms: 0 + 11 = 11
x2 = 11
Simplifying
x2 = 11
Take the square root of each side:
x = {-3.31662479, 3.31662479}
| 20-2x=40 | | 52x+52=52x-78 | | 3.5*x=14 | | 3sin^2x+5sinx-8=0 | | 100+40+0.2y=y | | 100=8(m+3.9) | | 58x+52=78x-78 | | (x^2-y)dx+(x^2+x)dy=0 | | y-0.2y=140 | | 3x*7=5*(x+8) | | 2x+6-x-1=10 | | x+6(-2x)=22 | | 9r-2n=16 | | -76=43+x | | 37+12= | | 11x^2+5x=0 | | 88=32/2h-4 | | 4t^4+5t^2-9=0 | | -7(x+6)=154 | | 3x*7=5x+40 | | 88=32h-4 | | 18y-17=7fraction | | 3*7=5x+40 | | 5/12=×/35 | | 4r+6r^2+4r^3+r^4=-1 | | 2k-10/-7=10 | | 1+4r+65r^2+4r^3+r^4=0 | | 1+4x+65r^2+4r^3+r^4=0 | | 6x+6=-71-5 | | -2(x+5)=4x | | -3(5-r)=12 | | -12=2+5y+2r |