8m^2+16m-3=6

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Solution for 8m^2+16m-3=6 equation:


Simplifying
8m2 + 16m + -3 = 6

Reorder the terms:
-3 + 16m + 8m2 = 6

Solving
-3 + 16m + 8m2 = 6

Solving for variable 'm'.

Reorder the terms:
-3 + -6 + 16m + 8m2 = 6 + -6

Combine like terms: -3 + -6 = -9
-9 + 16m + 8m2 = 6 + -6

Combine like terms: 6 + -6 = 0
-9 + 16m + 8m2 = 0

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
-1.125 + 2m + m2 = 0

Move the constant term to the right:

Add '1.125' to each side of the equation.
-1.125 + 2m + 1.125 + m2 = 0 + 1.125

Reorder the terms:
-1.125 + 1.125 + 2m + m2 = 0 + 1.125

Combine like terms: -1.125 + 1.125 = 0.000
0.000 + 2m + m2 = 0 + 1.125
2m + m2 = 0 + 1.125

Combine like terms: 0 + 1.125 = 1.125
2m + m2 = 1.125

The m term is 2m.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2m + 1 + m2 = 1.125 + 1

Reorder the terms:
1 + 2m + m2 = 1.125 + 1

Combine like terms: 1.125 + 1 = 2.125
1 + 2m + m2 = 2.125

Factor a perfect square on the left side:
(m + 1)(m + 1) = 2.125

Calculate the square root of the right side: 1.457737974

Break this problem into two subproblems by setting 
(m + 1) equal to 1.457737974 and -1.457737974.

Subproblem 1

m + 1 = 1.457737974 Simplifying m + 1 = 1.457737974 Reorder the terms: 1 + m = 1.457737974 Solving 1 + m = 1.457737974 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + m = 1.457737974 + -1 Combine like terms: 1 + -1 = 0 0 + m = 1.457737974 + -1 m = 1.457737974 + -1 Combine like terms: 1.457737974 + -1 = 0.457737974 m = 0.457737974 Simplifying m = 0.457737974

Subproblem 2

m + 1 = -1.457737974 Simplifying m + 1 = -1.457737974 Reorder the terms: 1 + m = -1.457737974 Solving 1 + m = -1.457737974 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + m = -1.457737974 + -1 Combine like terms: 1 + -1 = 0 0 + m = -1.457737974 + -1 m = -1.457737974 + -1 Combine like terms: -1.457737974 + -1 = -2.457737974 m = -2.457737974 Simplifying m = -2.457737974

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.457737974, -2.457737974}

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