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Simplifying
1440 = m * 2m * 10
Reorder the terms for easier multiplication:
1440 = 2 * 10m * m
Multiply 2 * 10
1440 = 20m * m
Multiply m * m
1440 = 20m2
Solving
1440 = 20m2
Solving for variable 'm'.
Move all terms containing m to the left, all other terms to the right.
Add '-20m2' to each side of the equation.
1440 + -20m2 = 20m2 + -20m2
Combine like terms: 20m2 + -20m2 = 0
1440 + -20m2 = 0
Add '-1440' to each side of the equation.
1440 + -1440 + -20m2 = 0 + -1440
Combine like terms: 1440 + -1440 = 0
0 + -20m2 = 0 + -1440
-20m2 = 0 + -1440
Combine like terms: 0 + -1440 = -1440
-20m2 = -1440
Divide each side by '-20'.
m2 = 72
Simplifying
m2 = 72
Take the square root of each side:
m = {-8.485281374, 8.485281374}
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