9M^2+12M+4=16

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Solution for 9M^2+12M+4=16 equation:


Simplifying
9M2 + 12M + 4 = 16

Reorder the terms:
4 + 12M + 9M2 = 16

Solving
4 + 12M + 9M2 = 16

Solving for variable 'M'.

Reorder the terms:
4 + -16 + 12M + 9M2 = 16 + -16

Combine like terms: 4 + -16 = -12
-12 + 12M + 9M2 = 16 + -16

Combine like terms: 16 + -16 = 0
-12 + 12M + 9M2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-4 + 4M + 3M2) = 0

Factor a trinomial.
3((-2 + -1M)(2 + -3M)) = 0

Ignore the factor 3.

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 '(2 + -3M)' equal to zero and attempt to solve: Simplifying 2 + -3M = 0 Solving 2 + -3M = 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 + -3M = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3M = 0 + -2 -3M = 0 + -2 Combine like terms: 0 + -2 = -2 -3M = -2 Divide each side by '-3'. M = 0.6666666667 Simplifying M = 0.6666666667

Solution

M = {-2, 0.6666666667}

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