7M^2=13M+2

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Solution for 7M^2=13M+2 equation:


Simplifying
7M2 = 13M + 2

Reorder the terms:
7M2 = 2 + 13M

Solving
7M2 = 2 + 13M

Solving for variable 'M'.

Reorder the terms:
-2 + -13M + 7M2 = 2 + 13M + -2 + -13M

Reorder the terms:
-2 + -13M + 7M2 = 2 + -2 + 13M + -13M

Combine like terms: 2 + -2 = 0
-2 + -13M + 7M2 = 0 + 13M + -13M
-2 + -13M + 7M2 = 13M + -13M

Combine like terms: 13M + -13M = 0
-2 + -13M + 7M2 = 0

Factor a trinomial.
(-1 + -7M)(2 + -1M) = 0

Subproblem 1

Set the factor '(-1 + -7M)' equal to zero and attempt to solve: Simplifying -1 + -7M = 0 Solving -1 + -7M = 0 Move all terms containing M to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -7M = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -7M = 0 + 1 -7M = 0 + 1 Combine like terms: 0 + 1 = 1 -7M = 1 Divide each side by '-7'. M = -0.1428571429 Simplifying M = -0.1428571429

Subproblem 2

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

Solution

M = {-0.1428571429, 2}

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