(5b^2+15)-(-11b^2-4)=

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Solution for (5b^2+15)-(-11b^2-4)= equation:


Simplifying
(5b2 + 15) + -1(-11b2 + -4) = 0

Reorder the terms:
(15 + 5b2) + -1(-11b2 + -4) = 0

Remove parenthesis around (15 + 5b2)
15 + 5b2 + -1(-11b2 + -4) = 0

Reorder the terms:
15 + 5b2 + -1(-4 + -11b2) = 0
15 + 5b2 + (-4 * -1 + -11b2 * -1) = 0
15 + 5b2 + (4 + 11b2) = 0

Reorder the terms:
15 + 4 + 5b2 + 11b2 = 0

Combine like terms: 15 + 4 = 19
19 + 5b2 + 11b2 = 0

Combine like terms: 5b2 + 11b2 = 16b2
19 + 16b2 = 0

Solving
19 + 16b2 = 0

Solving for variable 'b'.

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

Add '-19' to each side of the equation.
19 + -19 + 16b2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 16b2 = 0 + -19
16b2 = 0 + -19

Combine like terms: 0 + -19 = -19
16b2 = -19

Divide each side by '16'.
b2 = -1.1875

Simplifying
b2 = -1.1875

Reorder the terms:
1.1875 + b2 = -1.1875 + 1.1875

Combine like terms: -1.1875 + 1.1875 = 0.0000
1.1875 + b2 = 0.0000

The solution to this equation could not be determined.

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