m^2=4m+19

Simple and best practice solution for m^2=4m+19 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=4m+19 equation:


Simplifying
m2 = 4m + 19

Reorder the terms:
m2 = 19 + 4m

Solving
m2 = 19 + 4m

Solving for variable 'm'.

Reorder the terms:
-19 + -4m + m2 = 19 + 4m + -19 + -4m

Reorder the terms:
-19 + -4m + m2 = 19 + -19 + 4m + -4m

Combine like terms: 19 + -19 = 0
-19 + -4m + m2 = 0 + 4m + -4m
-19 + -4m + m2 = 4m + -4m

Combine like terms: 4m + -4m = 0
-19 + -4m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '19' to each side of the equation.
-19 + -4m + 19 + m2 = 0 + 19

Reorder the terms:
-19 + 19 + -4m + m2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + -4m + m2 = 0 + 19
-4m + m2 = 0 + 19

Combine like terms: 0 + 19 = 19
-4m + m2 = 19

The m term is -4m.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4m + 4 + m2 = 19 + 4

Reorder the terms:
4 + -4m + m2 = 19 + 4

Combine like terms: 19 + 4 = 23
4 + -4m + m2 = 23

Factor a perfect square on the left side:
(m + -2)(m + -2) = 23

Calculate the square root of the right side: 4.795831523

Break this problem into two subproblems by setting 
(m + -2) equal to 4.795831523 and -4.795831523.

Subproblem 1

m + -2 = 4.795831523 Simplifying m + -2 = 4.795831523 Reorder the terms: -2 + m = 4.795831523 Solving -2 + m = 4.795831523 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + m = 4.795831523 + 2 Combine like terms: -2 + 2 = 0 0 + m = 4.795831523 + 2 m = 4.795831523 + 2 Combine like terms: 4.795831523 + 2 = 6.795831523 m = 6.795831523 Simplifying m = 6.795831523

Subproblem 2

m + -2 = -4.795831523 Simplifying m + -2 = -4.795831523 Reorder the terms: -2 + m = -4.795831523 Solving -2 + m = -4.795831523 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + m = -4.795831523 + 2 Combine like terms: -2 + 2 = 0 0 + m = -4.795831523 + 2 m = -4.795831523 + 2 Combine like terms: -4.795831523 + 2 = -2.795831523 m = -2.795831523 Simplifying m = -2.795831523

Solution

The solution to the problem is based on the solutions from the subproblems. m = {6.795831523, -2.795831523}

See similar equations:

| 8w+6+w-1= | | -3w+5(2w+1)= | | 2(4m+1)-24= | | 0.2m-0.08=1.46 | | 2(w+3)+5(w+2)= | | 6x^2=864 | | -2w+3+5w-2= | | 3(3z-1)-12= | | 2x^2-30x+225=0 | | 3n=75 | | 12=12v-23v-3444v | | 1.75n=5+1.25n | | -2x^2-28x-98=0 | | 24+7a=-32 | | 3n=(6-n)-3 | | 12+8x(3+5+8-2)= | | 6(3K+5)=39 | | 28=-5x+8 | | 144x^2-49y^2=0 | | -0.5(6b+8)=6(1-b)-2 | | 4n+9=73 | | -5u+4+8u=43 | | 27x^2+108x+108=0 | | 6y^2+2y-20=0 | | 4r-4=8 | | -2h-16=2h-6 | | 32-18x^2=0 | | 4x^2-36=0 | | -9x-18=-2+9x | | 16x^2-8x+1=0 | | 16-2n-5+8n=65 | | x-3x-10= |

Equations solver categories