m^2+20m+27=0

Simple and best practice solution for m^2+20m+27=0 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+20m+27=0 equation:


Simplifying
m2 + 20m + 27 = 0

Reorder the terms:
27 + 20m + m2 = 0

Solving
27 + 20m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '-27' to each side of the equation.
27 + 20m + -27 + m2 = 0 + -27

Reorder the terms:
27 + -27 + 20m + m2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 20m + m2 = 0 + -27
20m + m2 = 0 + -27

Combine like terms: 0 + -27 = -27
20m + m2 = -27

The m term is 20m.  Take half its coefficient (10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
20m + 100 + m2 = -27 + 100

Reorder the terms:
100 + 20m + m2 = -27 + 100

Combine like terms: -27 + 100 = 73
100 + 20m + m2 = 73

Factor a perfect square on the left side:
(m + 10)(m + 10) = 73

Calculate the square root of the right side: 8.544003745

Break this problem into two subproblems by setting 
(m + 10) equal to 8.544003745 and -8.544003745.

Subproblem 1

m + 10 = 8.544003745 Simplifying m + 10 = 8.544003745 Reorder the terms: 10 + m = 8.544003745 Solving 10 + m = 8.544003745 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + m = 8.544003745 + -10 Combine like terms: 10 + -10 = 0 0 + m = 8.544003745 + -10 m = 8.544003745 + -10 Combine like terms: 8.544003745 + -10 = -1.455996255 m = -1.455996255 Simplifying m = -1.455996255

Subproblem 2

m + 10 = -8.544003745 Simplifying m + 10 = -8.544003745 Reorder the terms: 10 + m = -8.544003745 Solving 10 + m = -8.544003745 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + m = -8.544003745 + -10 Combine like terms: 10 + -10 = 0 0 + m = -8.544003745 + -10 m = -8.544003745 + -10 Combine like terms: -8.544003745 + -10 = -18.544003745 m = -18.544003745 Simplifying m = -18.544003745

Solution

The solution to the problem is based on the solutions from the subproblems. m = {-1.455996255, -18.544003745}

See similar equations:

| 245=20y+5 | | g^2+4g=-3 | | 245=5-20y | | -3q^2-36q=-33 | | 5x^4+10x^2-15=0 | | 4(y+6)=-5(2y-8)+4y | | 2w^2-20w+2=0 | | 6x+3-10x+15=15x-60 | | -8x-16=9 | | 9d^2-32=0 | | 15/2/11/8 | | 6x-2=7-4y | | 4+3+6ab= | | 2x+12=16x | | 32t^2-18u^2=0 | | p=120^2/24^2 | | -x*2+2x-3=0 | | 2x+11y=8 | | 121m^2-144p^2=0 | | 12x-(7x-2)=77 | | -8-8x=7z+22 | | 4t^2+80t=-44 | | -12+4n=6(n+2) | | X^4+3y^2=36 | | 5v+5-2(-5v-1)=3(v-3) | | q^2+6q-19=0 | | z^2+30z=-47 | | -454=1+7(-1+8x) | | 12-y/5=-1 | | 12+y/5=-1 | | 102=3(-1-7n) | | g^2+12g+31=0 |

Equations solver categories