(-7b^2+12)+(-10b^2+4)=

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Solution for (-7b^2+12)+(-10b^2+4)= equation: 


Simplifying
(-7b2 + 12) + (-10b2 + 4) = 0

Reorder the terms:
(12 + -7b2) + (-10b2 + 4) = 0

Remove parenthesis around (12 + -7b2)
12 + -7b2 + (-10b2 + 4) = 0

Reorder the terms:
12 + -7b2 + (4 + -10b2) = 0

Remove parenthesis around (4 + -10b2)
12 + -7b2 + 4 + -10b2 = 0

Reorder the terms:
12 + 4 + -7b2 + -10b2 = 0

Combine like terms: 12 + 4 = 16
16 + -7b2 + -10b2 = 0

Combine like terms: -7b2 + -10b2 = -17b2
16 + -17b2 = 0

Solving
16 + -17b2 = 0

Solving for variable 'b'.

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

Add '-16' to each side of the equation.
16 + -16 + -17b2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -17b2 = 0 + -16
-17b2 = 0 + -16

Combine like terms: 0 + -16 = -16
-17b2 = -16

Divide each side by '-17'.
b2 = 0.9411764706

Simplifying
b2 = 0.9411764706

Take the square root of each side:
b = {-0.9701425, 0.9701425}

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