(b^2+ab-2)-(2b^2+2ab)=

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Solution for (b^2+ab-2)-(2b^2+2ab)= equation:


Simplifying
(b2 + ab + -2) + -1(2b2 + 2ab) = 0

Reorder the terms:
(-2 + ab + b2) + -1(2b2 + 2ab) = 0

Remove parenthesis around (-2 + ab + b2)
-2 + ab + b2 + -1(2b2 + 2ab) = 0

Reorder the terms:
-2 + ab + b2 + -1(2ab + 2b2) = 0
-2 + ab + b2 + (2ab * -1 + 2b2 * -1) = 0
-2 + ab + b2 + (-2ab + -2b2) = 0

Reorder the terms:
-2 + ab + -2ab + b2 + -2b2 = 0

Combine like terms: ab + -2ab = -1ab
-2 + -1ab + b2 + -2b2 = 0

Combine like terms: b2 + -2b2 = -1b2
-2 + -1ab + -1b2 = 0

Solving
-2 + -1ab + -1b2 = 0

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + -1ab + 2 + -1b2 = 0 + 2

Reorder the terms:
-2 + 2 + -1ab + -1b2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1ab + -1b2 = 0 + 2
-1ab + -1b2 = 0 + 2

Combine like terms: 0 + 2 = 2
-1ab + -1b2 = 2

Add 'b2' to each side of the equation.
-1ab + -1b2 + b2 = 2 + b2

Combine like terms: -1b2 + b2 = 0
-1ab + 0 = 2 + b2
-1ab = 2 + b2

Divide each side by '-1b'.
a = -2b-1 + -1b

Simplifying
a = -2b-1 + -1b

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