21m^2+89M-42=0

Solution for 21m^2+89M-42=0 equation:

Simplifying
21m2 + 89M + -42 = 0

Reorder the terms:
-42 + 89M + 21m2 = 0

Solving
-42 + 89M + 21m2 = 0

Solving for variable 'M'.

Move all terms containing M to the left, all other terms to the right.

Add '42' to each side of the equation.
-42 + 89M + 42 + 21m2 = 0 + 42

Reorder the terms:
-42 + 42 + 89M + 21m2 = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 89M + 21m2 = 0 + 42
89M + 21m2 = 0 + 42

Combine like terms: 0 + 42 = 42
89M + 21m2 = 42

Add '-21m2' to each side of the equation.
89M + 21m2 + -21m2 = 42 + -21m2

Combine like terms: 21m2 + -21m2 = 0
89M + 0 = 42 + -21m2
89M = 42 + -21m2

Divide each side by '89'.
M = 0.4719101124 + -0.2359550562m2

Simplifying
M = 0.4719101124 + -0.2359550562m2