9x^2-9=5

Simple and best practice solution for 9x^2-9=5 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^2-9=5 equation:


Simplifying
9x2 + -9 = 5

Reorder the terms:
-9 + 9x2 = 5

Solving
-9 + 9x2 = 5

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 9x2 = 5 + 9

Combine like terms: -9 + 9 = 0
0 + 9x2 = 5 + 9
9x2 = 5 + 9

Combine like terms: 5 + 9 = 14
9x2 = 14

Divide each side by '9'.
x2 = 1.555555556

Simplifying
x2 = 1.555555556

Take the square root of each side:
x = {-1.247219129, 1.247219129}

See similar equations:

| 14(3-7x)=-(3+2x) | | y-6=-3/5x | | -1/3a-1/2a | | 2(16/3+3)+2(16/3*2-6) | | 2x-14-12=-12 | | (14m+4)-(5m-6)= | | -1/3-1/2 | | 180-3y+3y=180 | | x^2+9z+20=0 | | 3x-9x+16=2x+1 | | 5(3x+2)-4x=17-(6-4x) | | 5s-12=2s | | -4(x-7)+9=37 | | -14+5=x+7 | | (z+8)(z+8)=-14 | | 3x+5x=10x+20 | | --9+x-24= | | -6(0.1x+0.2)-0.7=-0.1 | | 21+3k-19=5+5k-17 | | 9x+1-3x=8x-2+x | | 2x^2+3x-1225=0 | | 1/2(3x-2)=x/2 | | 3+(x*y)=(3+x)*(3+y) | | 6-15x=-20x | | 4(x-2)+9=1 | | 4x^2+17=73 | | 4+10n=24 | | 10x+2x-14=20 | | 16y-7y=81 | | 5u+16=3u+6u-12 | | y=8-5(10+2)+2*10 | | 9n^0= |

Equations solver categories