4w^2-28=0

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Solution for 4w^2-28=0 equation:


Simplifying
4w2 + -28 = 0

Reorder the terms:
-28 + 4w2 = 0

Solving
-28 + 4w2 = 0

Solving for variable 'w'.

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

Add '28' to each side of the equation.
-28 + 28 + 4w2 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 4w2 = 0 + 28
4w2 = 0 + 28

Combine like terms: 0 + 28 = 28
4w2 = 28

Divide each side by '4'.
w2 = 7

Simplifying
w2 = 7

Take the square root of each side:
w = {-2.645751311, 2.645751311}

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