If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
-9x2 + 8 = 0
Reorder the terms:
8 + -9x2 = 0
Solving
8 + -9x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-8' to each side of the equation.
8 + -8 + -9x2 = 0 + -8
Combine like terms: 8 + -8 = 0
0 + -9x2 = 0 + -8
-9x2 = 0 + -8
Combine like terms: 0 + -8 = -8
-9x2 = -8
Divide each side by '-9'.
x2 = 0.8888888889
Simplifying
x2 = 0.8888888889
Take the square root of each side:
x = {-0.942809042, 0.942809042}
| -3(x+2)=2(x+6)+7 | | 5(u+1)-7=3(u-1)+2u | | y^2-9x^2+36x-72=0 | | 6(x-5)=18 | | 2x-15=-23 | | (4+x)+(y+3)i= | | 4n+5=2n-25 | | 21x-62=7x+8 | | 3x+4+5y-1=10-16i | | 10x-5y+35= | | -(1+3*x)*(1+3*x)*(1+3*x)+(1+3*x)*12+16=0 | | -(1+3*x)*(1+3*x)*(1+3*x)+(1+3*x)*12=0 | | B=0.26h-18.85 | | x+5=1-3x | | (1+3*x)*(1+3*x)*(1+3*x)+(1+3*x)*12=0 | | x=2-3 | | 27*x*x*x+27*x*x+45*x+13=0 | | 1+(w-7)=25-(2w+4) | | 16-2w=10 | | 7b-7b=6b+9 | | 10-7x=43-28x | | 10x-1=x-10 | | S=p-6 | | 159-5x=5x+9 | | 3x^2=-18x | | 4i(-10+5i)= | | z+z+z+2z=-105 | | 5w+25=10 | | 8x-70=1x | | 12x+4=100 | | 2x+50=9 | | 8x+(2x-3)=2 |