7m^2-14m-61=-5

Simple and best practice solution for 7m^2-14m-61=-5 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 7m^2-14m-61=-5 equation:


Simplifying
7m2 + -14m + -61 = -5

Reorder the terms:
-61 + -14m + 7m2 = -5

Solving
-61 + -14m + 7m2 = -5

Solving for variable 'm'.

Reorder the terms:
-61 + 5 + -14m + 7m2 = -5 + 5

Combine like terms: -61 + 5 = -56
-56 + -14m + 7m2 = -5 + 5

Combine like terms: -5 + 5 = 0
-56 + -14m + 7m2 = 0

Factor out the Greatest Common Factor (GCF), '7'.
7(-8 + -2m + m2) = 0

Factor a trinomial.
7((-2 + -1m)(4 + -1m)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor '(-2 + -1m)' equal to zero and attempt to solve: Simplifying -2 + -1m = 0 Solving -2 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1m = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1m = 0 + 2 -1m = 0 + 2 Combine like terms: 0 + 2 = 2 -1m = 2 Divide each side by '-1'. m = -2 Simplifying m = -2

Subproblem 2

Set the factor '(4 + -1m)' equal to zero and attempt to solve: Simplifying 4 + -1m = 0 Solving 4 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1m = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1m = 0 + -4 -1m = 0 + -4 Combine like terms: 0 + -4 = -4 -1m = -4 Divide each side by '-1'. m = 4 Simplifying m = 4

Solution

m = {-2, 4}

See similar equations:

| 5x=-7x+8 | | 1.8e=9 | | n+n+1+n+2=129 | | 2=0.6(2x+4)-0.75(4x-5) | | 2y+5=2(y+2)+1 | | 12k-15+15=54 | | -6x+3+3x=-7x-9 | | -y^2-y^2= | | -16x=33 | | 7m-3m-6=2m+12 | | 7/15÷3/4 | | 88-11=3x+9x-x | | 9z-4=2z+10 | | 8=x/-5 | | 7.25x=19.125+x | | 5m=6m+56 | | f(x+1)=8x^2+3x | | 5(3+x)= | | 1-5(x+6)=20+2x | | 7d-d-6d+7=4d | | (4x+3)+(4x+3)+(7x)=16x-1 | | G-2/5= | | p^2-72=-14p | | x/-3=-10 | | 5-4(m+2)=-5m | | 18=19+x | | 5x-12-8x/2=4 | | 0.5x+0.6y=5.7 | | 0.5n-1.2n+0.2n=45.8-3.3 | | -2x-2-5x=10 | | 5n-37=3n-5 | | 27=3(5-x) |

Equations solver categories