5y^2-1+2(y^2+2)=

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Solution for 5y^2-1+2(y^2+2)= equation:


Simplifying
5y2 + -1 + 2(y2 + 2) = 0

Reorder the terms:
5y2 + -1 + 2(2 + y2) = 0
5y2 + -1 + (2 * 2 + y2 * 2) = 0
5y2 + -1 + (4 + 2y2) = 0

Reorder the terms:
-1 + 4 + 5y2 + 2y2 = 0

Combine like terms: -1 + 4 = 3
3 + 5y2 + 2y2 = 0

Combine like terms: 5y2 + 2y2 = 7y2
3 + 7y2 = 0

Solving
3 + 7y2 = 0

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 7y2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 7y2 = 0 + -3
7y2 = 0 + -3

Combine like terms: 0 + -3 = -3
7y2 = -3

Divide each side by '7'.
y2 = -0.4285714286

Simplifying
y2 = -0.4285714286

Reorder the terms:
0.4285714286 + y2 = -0.4285714286 + 0.4285714286

Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000
0.4285714286 + y2 = 0.0000000000

The solution to this equation could not be determined.

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