m^2-15=2m

Simple and best practice solution for m^2-15=2m 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^2-15=2m equation:


Simplifying
m2 + -15 = 2m

Reorder the terms:
-15 + m2 = 2m

Solving
-15 + m2 = 2m

Solving for variable 'm'.

Reorder the terms:
-15 + -2m + m2 = 2m + -2m

Combine like terms: 2m + -2m = 0
-15 + -2m + m2 = 0

Factor a trinomial.
(-3 + -1m)(5 + -1m) = 0

Subproblem 1

Set the factor '(-3 + -1m)' equal to zero and attempt to solve: Simplifying -3 + -1m = 0 Solving -3 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1m = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1m = 0 + 3 -1m = 0 + 3 Combine like terms: 0 + 3 = 3 -1m = 3 Divide each side by '-1'. m = -3 Simplifying m = -3

Subproblem 2

Set the factor '(5 + -1m)' equal to zero and attempt to solve: Simplifying 5 + -1m = 0 Solving 5 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1m = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1m = 0 + -5 -1m = 0 + -5 Combine like terms: 0 + -5 = -5 -1m = -5 Divide each side by '-1'. m = 5 Simplifying m = 5

Solution

m = {-3, 5}

See similar equations:

| 8z-0.9=9z | | x+1=49 | | x(3x-7)(x+6)= | | 101-4x=12x+11 | | 9m-21=4m+3 | | -6(k-9)-(2-3k)=-4k | | -8-2x+3x=-15 | | x^5+y^5=31 | | -p+3+2.4-2p= | | 3x+1/2+2x=61/2 | | -7d-9=-30 | | 9x^2+3=-8x | | -11=r-5+r | | 2(9+4x)=106 | | 8x+12=92 | | 10x+4.5+x-8= | | c(m)=0.5m+45 | | 5x+2=23 | | 10m=14+3m | | 5(y+1)=3y+7 | | 4x-2/7=306/7 | | 1.5x+1.5c=30 | | (5t^2-t-7)*(6t^2+5t-1)= | | 12*5/3+x=45 | | 68/x+96-23=90 | | 4=x-3 | | 315/9+x-42=72 | | -11y=-88 | | x+6=70/11 | | 15*4+x=115 | | x*5/2+25=100 | | 3x-3c=30 |

Equations solver categories