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Simplifying
9w2 + 4 = 25
Reorder the terms:
4 + 9w2 = 25
Solving
4 + 9w2 = 25
Solving for variable 'w'.
Move all terms containing w to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 9w2 = 25 + -4
Combine like terms: 4 + -4 = 0
0 + 9w2 = 25 + -4
9w2 = 25 + -4
Combine like terms: 25 + -4 = 21
9w2 = 21
Divide each side by '9'.
w2 = 2.333333333
Simplifying
w2 = 2.333333333
Take the square root of each side:
w = {-1.527525232, 1.527525232}
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