7u^2-(2u^2-8)=

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Solution for 7u^2-(2u^2-8)= equation:


Simplifying
7u2 + -1(2u2 + -8) = 0

Reorder the terms:
7u2 + -1(-8 + 2u2) = 0
7u2 + (-8 * -1 + 2u2 * -1) = 0
7u2 + (8 + -2u2) = 0

Reorder the terms:
8 + 7u2 + -2u2 = 0

Combine like terms: 7u2 + -2u2 = 5u2
8 + 5u2 = 0

Solving
8 + 5u2 = 0

Solving for variable 'u'.

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

Add '-8' to each side of the equation.
8 + -8 + 5u2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 5u2 = 0 + -8
5u2 = 0 + -8

Combine like terms: 0 + -8 = -8
5u2 = -8

Divide each side by '5'.
u2 = -1.6

Simplifying
u2 = -1.6

Reorder the terms:
1.6 + u2 = -1.6 + 1.6

Combine like terms: -1.6 + 1.6 = 0.0
1.6 + u2 = 0.0

The solution to this equation could not be determined.

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