m^2-8=7

Simple and best practice solution for m^2-8=7 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 m^2-8=7 equation: 


Simplifying
m2 + -8 = 7

Reorder the terms:
-8 + m2 = 7

Solving
-8 + m2 = 7

Solving for variable 'm'.

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

Add '8' to each side of the equation.
-8 + 8 + m2 = 7 + 8

Combine like terms: -8 + 8 = 0
0 + m2 = 7 + 8
m2 = 7 + 8

Combine like terms: 7 + 8 = 15
m2 = 15

Simplifying
m2 = 15

Take the square root of each side:
m = {-3.872983346, 3.872983346}

See similar equations:

| 9k^2-1=233 | | 7+6(1+8z)=30 | | 2(5x+7)+2=26 | | y=1/6x^2 | | (3x-3y-2)dx-(x-y-3)dy=0 | | -28=-7+3(a+6) | | 9k+4-3=-16 | | 4x^3-10x^2+6x=0 | | (2x+3y-5)dx+(3x-y-2)dy=0 | | 18=-7r+3r | | X^2+25x-7500=0 | | 9k+4+3=-16 | | 3p^2-15-15=0 | | 8v+2-5v=-29 | | 24-n/3=6 | | 2x+3+3x-17=180 | | 10x+5y+8z-5x+5z-9y= | | z+4=10 | | 3(4b+8)= | | 6x+4x=22.5 | | 5x+6x=22.5 | | 4x+5x=22.5 | | y=0.0124x+0.1568 | | 8+9+5z=-3+2z+7 | | x-(x+3)=4 | | x=3x+22 | | x-6+3x+8+2x+10=54 | | f(-1)=3+5 | | -3x-22+2x-6=4x-2 | | Y+8y=3 | | (-5x)+(-7x)=180 | | 2(4x+8)+2(6x+2)=60 |

Equations solver categories