8x^2=20+45

Simple and best practice solution for 8x^2=20+45 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 8x^2=20+45 equation:


Simplifying
8x2 = 20 + 45

Combine like terms: 20 + 45 = 65
8x2 = 65

Solving
8x2 = 65

Solving for variable 'x'.

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

Divide each side by '8'.
x2 = 8.125

Simplifying
x2 = 8.125

Take the square root of each side:
x = {-2.850438563, 2.850438563}

See similar equations:

| 39-12z=7-16z | | 2.5=7.5 | | -3/4(a)=12 | | 2x^3/2x | | 2x^2/2x | | 17y+-19y=4 | | -3/4(a)=3m | | 3/12=x/48 | | -3/4a=3m | | (X-4/5)-2/3=10 | | 14z-8=22+20z | | 20+(-6)-(-7)-4= | | -6+[25+(-12)]= | | 67/10-11/4 | | 7/(m+4)+(8/m)=(2m+4)/(m^2+4m) | | 9z-1=z-25 | | x+3(x-1)=9 | | 3y+(y-2)=2(2y-1) | | x^3+x+1=9 | | -4x+5/6=-523/6+4x | | (3x+4)/(x^2-9x+20) | | 1-x+2x=7 | | (7/m+4)+(8/m)=(2m+4)/(m^2+4m) | | 6.4x-2.1x=129 | | 2q-6=-2 | | 17=-204 | | 15.6/2.4 | | 15=0 | | r^2-7r-10=0 | | 750=(4x)+(0.5x) | | -7x-1+x=-25 | | 17x-x^2=0 |

Equations solver categories