(7m-9)(5m+3)=

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Solution for (7m-9)(5m+3)= equation:


Simplifying
(7m + -9)(5m + 3) = 0

Reorder the terms:
(-9 + 7m)(5m + 3) = 0

Reorder the terms:
(-9 + 7m)(3 + 5m) = 0

Multiply (-9 + 7m) * (3 + 5m)
(-9(3 + 5m) + 7m * (3 + 5m)) = 0
((3 * -9 + 5m * -9) + 7m * (3 + 5m)) = 0
((-27 + -45m) + 7m * (3 + 5m)) = 0
(-27 + -45m + (3 * 7m + 5m * 7m)) = 0
(-27 + -45m + (21m + 35m2)) = 0

Combine like terms: -45m + 21m = -24m
(-27 + -24m + 35m2) = 0

Solving
-27 + -24m + 35m2 = 0

Solving for variable 'm'.

Factor a trinomial.
(-3 + -5m)(9 + -7m) = 0

Subproblem 1

Set the factor '(-3 + -5m)' equal to zero and attempt to solve: Simplifying -3 + -5m = 0 Solving -3 + -5m = 0 Move all terms containing m to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -5m = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5m = 0 + 3 -5m = 0 + 3 Combine like terms: 0 + 3 = 3 -5m = 3 Divide each side by '-5'. m = -0.6 Simplifying m = -0.6

Subproblem 2

Set the factor '(9 + -7m)' equal to zero and attempt to solve: Simplifying 9 + -7m = 0 Solving 9 + -7m = 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 + -7m = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -7m = 0 + -9 -7m = 0 + -9 Combine like terms: 0 + -9 = -9 -7m = -9 Divide each side by '-7'. m = 1.285714286 Simplifying m = 1.285714286

Solution

m = {-0.6, 1.285714286}

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