9b(5a+4b-2c)=

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Solution for 9b(5a+4b-2c)= equation:


Simplifying
9b(5a + 4b + -2c) = 0
(5a * 9b + 4b * 9b + -2c * 9b) = 0

Reorder the terms:
(45ab + -18bc + 36b2) = 0
(45ab + -18bc + 36b2) = 0

Solving
45ab + -18bc + 36b2 = 0

Solving for variable 'a'.

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

Add '18bc' to each side of the equation.
45ab + -18bc + 18bc + 36b2 = 0 + 18bc

Combine like terms: -18bc + 18bc = 0
45ab + 0 + 36b2 = 0 + 18bc
45ab + 36b2 = 0 + 18bc
Remove the zero:
45ab + 36b2 = 18bc

Add '-36b2' to each side of the equation.
45ab + 36b2 + -36b2 = 18bc + -36b2

Combine like terms: 36b2 + -36b2 = 0
45ab + 0 = 18bc + -36b2
45ab = 18bc + -36b2

Divide each side by '45b'.
a = 0.4c + -0.8b

Simplifying
a = 0.4c + -0.8b

Reorder the terms:
a = -0.8b + 0.4c

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