2w^2=-7+15

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Solution for 2w^2=-7+15 equation: 


Simplifying
2w2 = -7 + 15

Combine like terms: -7 + 15 = 8
2w2 = 8

Solving
2w2 = 8

Solving for variable 'w'.

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

Divide each side by '2'.
w2 = 4

Simplifying
w2 = 4

Take the square root of each side:
w = {-2, 2}

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