m^2=8m+3

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Solution for m^2=8m+3 equation:


Simplifying
m2 = 8m + 3

Reorder the terms:
m2 = 3 + 8m

Solving
m2 = 3 + 8m

Solving for variable 'm'.

Reorder the terms:
-3 + -8m + m2 = 3 + 8m + -3 + -8m

Reorder the terms:
-3 + -8m + m2 = 3 + -3 + 8m + -8m

Combine like terms: 3 + -3 = 0
-3 + -8m + m2 = 0 + 8m + -8m
-3 + -8m + m2 = 8m + -8m

Combine like terms: 8m + -8m = 0
-3 + -8m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + -8m + 3 + m2 = 0 + 3

Reorder the terms:
-3 + 3 + -8m + m2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -8m + m2 = 0 + 3
-8m + m2 = 0 + 3

Combine like terms: 0 + 3 = 3
-8m + m2 = 3

The m term is -8m.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8m + 16 + m2 = 3 + 16

Reorder the terms:
16 + -8m + m2 = 3 + 16

Combine like terms: 3 + 16 = 19
16 + -8m + m2 = 19

Factor a perfect square on the left side:
(m + -4)(m + -4) = 19

Calculate the square root of the right side: 4.358898944

Break this problem into two subproblems by setting 
(m + -4) equal to 4.358898944 and -4.358898944.

Subproblem 1

m + -4 = 4.358898944 Simplifying m + -4 = 4.358898944 Reorder the terms: -4 + m = 4.358898944 Solving -4 + m = 4.358898944 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + m = 4.358898944 + 4 Combine like terms: -4 + 4 = 0 0 + m = 4.358898944 + 4 m = 4.358898944 + 4 Combine like terms: 4.358898944 + 4 = 8.358898944 m = 8.358898944 Simplifying m = 8.358898944

Subproblem 2

m + -4 = -4.358898944 Simplifying m + -4 = -4.358898944 Reorder the terms: -4 + m = -4.358898944 Solving -4 + m = -4.358898944 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + m = -4.358898944 + 4 Combine like terms: -4 + 4 = 0 0 + m = -4.358898944 + 4 m = -4.358898944 + 4 Combine like terms: -4.358898944 + 4 = -0.358898944 m = -0.358898944 Simplifying m = -0.358898944

Solution

The solution to the problem is based on the solutions from the subproblems. m = {8.358898944, -0.358898944}

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