m^2-7m=8

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


Simplifying
m2 + -7m = 8

Reorder the terms:
-7m + m2 = 8

Solving
-7m + m2 = 8

Solving for variable 'm'.

Reorder the terms:
-8 + -7m + m2 = 8 + -8

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

Factor a trinomial.
(-1 + -1m)(8 + -1m) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(8 + -1m)' equal to zero and attempt to solve: Simplifying 8 + -1m = 0 Solving 8 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1m = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1m = 0 + -8 -1m = 0 + -8 Combine like terms: 0 + -8 = -8 -1m = -8 Divide each side by '-1'. m = 8 Simplifying m = 8

Solution

m = {-1, 8}

See similar equations:

| -2(1-x)+3(x-1)=2(3x+2) | | 12+y=2 | | y/8+8=-3 | | 7x-4x-1=8 | | 3(95-6x)=x-150 | | 3-5x=35 | | 5x(-3y)=13 | | q^2+6q=-5 | | -2/5k+4/5=4-4/3k | | 7(x+7)+3=-11(x-11)-4 | | 0.1(x+60)-0.04(x-20)=9.8 | | 2x+(-7)=-54 | | 2x(-7)=-54 | | 7427*46897535885478467= | | 7427*4689753= | | 3ln(8x)=27 | | Y^2=6 | | 2x-5=-2x(x-2) | | -80-(-10)=18 | | y/-4-9=-17 | | 11/2s-9=45+11/2s | | 6x+10-1(x+3)=0 | | 7/y=-7 | | 6x+10-(x+3)= | | -(5-7)+2(5)-8=4 | | x+90+90+125=180 | | 3*(x+5)= | | 32=v/2 | | -(5-7)+2(5)-8= | | 3+t/2=45 | | 3(2x+2)-5=7x+8 | | 24+8x=2 |

Equations solver categories