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Simplifying
4w2 = 70
Solving
4w2 = 70
Solving for variable 'w'.
Move all terms containing w to the left, all other terms to the right.
Divide each side by '4'.
w2 = 17.5
Simplifying
w2 = 17.5
Take the square root of each side:
w = {-4.183300133, 4.183300133}
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