(5m-7)(m-9)=0

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Solution for (5m-7)(m-9)=0 equation:


Simplifying
(5m + -7)(m + -9) = 0

Reorder the terms:
(-7 + 5m)(m + -9) = 0

Reorder the terms:
(-7 + 5m)(-9 + m) = 0

Multiply (-7 + 5m) * (-9 + m)
(-7(-9 + m) + 5m * (-9 + m)) = 0
((-9 * -7 + m * -7) + 5m * (-9 + m)) = 0
((63 + -7m) + 5m * (-9 + m)) = 0
(63 + -7m + (-9 * 5m + m * 5m)) = 0
(63 + -7m + (-45m + 5m2)) = 0

Combine like terms: -7m + -45m = -52m
(63 + -52m + 5m2) = 0

Solving
63 + -52m + 5m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(7 + -5m)(9 + -1m) = 0

Subproblem 1

Set the factor '(7 + -5m)' equal to zero and attempt to solve: Simplifying 7 + -5m = 0 Solving 7 + -5m = 0 Move all terms containing m to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -5m = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5m = 0 + -7 -5m = 0 + -7 Combine like terms: 0 + -7 = -7 -5m = -7 Divide each side by '-5'. m = 1.4 Simplifying m = 1.4

Subproblem 2

Set the factor '(9 + -1m)' equal to zero and attempt to solve: Simplifying 9 + -1m = 0 Solving 9 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1m = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1m = 0 + -9 -1m = 0 + -9 Combine like terms: 0 + -9 = -9 -1m = -9 Divide each side by '-1'. m = 9 Simplifying m = 9

Solution

m = {1.4, 9}

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