9x^2-64=9

Simple and best practice solution for 9x^2-64=9 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 9x^2-64=9 equation:


Simplifying
9x2 + -64 = 9

Reorder the terms:
-64 + 9x2 = 9

Solving
-64 + 9x2 = 9

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '64' to each side of the equation.
-64 + 64 + 9x2 = 9 + 64

Combine like terms: -64 + 64 = 0
0 + 9x2 = 9 + 64
9x2 = 9 + 64

Combine like terms: 9 + 64 = 73
9x2 = 73

Divide each side by '9'.
x2 = 8.111111111

Simplifying
x2 = 8.111111111

Take the square root of each side:
x = {-2.848001248, 2.848001248}

See similar equations:

| 2y+1/y=360 | | 60-40=2x-20 | | (13x+8)(5x-8)=180 | | M-1/3=5/6 | | 65+(8+2)=90 | | 20-2d=10 | | -3*3/4 | | (3(2a)^3/2)^3 | | 36x^4+x^2=0 | | 4(m/2-9)=40 | | 2/5b | | 4(4)+2y=10 | | 5p/6-21=-46 | | 2a/5ab | | e^3x+3=7 | | x/-62=-1 | | 2x-5y/3=5 | | (5xl-2l)-8= | | -2(6+6p)=-12-3p | | -9=3/4e | | 9/i | | 4=(3x^2)-11x | | c^2+7c+12.25=0 | | 4(0)+2y=10 | | 2(4b)+1=5 | | x+7=11x-7 | | -8x-3=18-x | | -1/1w=12 | | 2x^2+5x-3=-4x^2+2x+7 | | 7x-9=-2x-45 | | x/520=13/5 | | 4(2.5x-2)=2(5x-5) |

Equations solver categories