3+4ab-9b^2=

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Solution for 3+4ab-9b^2= equation:


Simplifying
3 + 4ab + -9b2 = 0

Solving
3 + 4ab + -9b2 = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + 4ab + -3 + -9b2 = 0 + -3

Reorder the terms:
3 + -3 + 4ab + -9b2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 4ab + -9b2 = 0 + -3
4ab + -9b2 = 0 + -3

Combine like terms: 0 + -3 = -3
4ab + -9b2 = -3

Add '9b2' to each side of the equation.
4ab + -9b2 + 9b2 = -3 + 9b2

Combine like terms: -9b2 + 9b2 = 0
4ab + 0 = -3 + 9b2
4ab = -3 + 9b2

Divide each side by '4b'.
a = -0.75b-1 + 2.25b

Simplifying
a = -0.75b-1 + 2.25b

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