9x^2-8=109

Simple and best practice solution for 9x^2-8=109 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^2-8=109 equation:


Simplifying
9x2 + -8 = 109

Reorder the terms:
-8 + 9x2 = 109

Solving
-8 + 9x2 = 109

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 = 109 + 8

Combine like terms: -8 + 8 = 0
0 + 9x2 = 109 + 8
9x2 = 109 + 8

Combine like terms: 109 + 8 = 117
9x2 = 117

Divide each side by '9'.
x2 = 13

Simplifying
x2 = 13

Take the square root of each side:
x = {-3.605551275, 3.605551275}

See similar equations:

| (2/3)X=1 | | 2.6+10m=7.58 | | 3(x-2)=4x | | 9x^2+2x=7 | | 4x=3(x-2) | | ((x)/(x+3))+((x+2)/(x+5))=0 | | -2x+3x-5=20-4x | | -3x+23+2=4x-24 | | 8x+3y=136 | | 4(1-x)=-12 | | 5n^2+30n=-40 | | G=6/5(p-77) | | 9/2=6-3/2 | | 2x^2+10+6=0 | | 1024-16t^2=0 | | 21=x/6+7 | | x^3-6x^2-8x=0 | | 14x+9k+6=0 | | a(3x-a)=3b(x-b) | | -19=2+7x | | 3a+2a-(4a+7)= | | Graphy=-6x+3 | | z^8=-i | | z^8+i=0 | | x/6+4x/5=58 | | 8x^3-34x^2-30=0 | | 1x-(1x+17)=2(11-3x) | | 6p*(-3)=198 | | 6ptimes(-3)=198 | | x-38-x=15/5 | | b=50+(20+6)w | | 4+4(m-5)=6-8m |

Equations solver categories