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Simplifying
4w2 + -3 = 21
Reorder the terms:
-3 + 4w2 = 21
Solving
-3 + 4w2 = 21
Solving for variable 'w'.
Move all terms containing w to the left, all other terms to the right.
Add '3' to each side of the equation.
-3 + 3 + 4w2 = 21 + 3
Combine like terms: -3 + 3 = 0
0 + 4w2 = 21 + 3
4w2 = 21 + 3
Combine like terms: 21 + 3 = 24
4w2 = 24
Divide each side by '4'.
w2 = 6
Simplifying
w2 = 6
Take the square root of each side:
w = {-2.449489743, 2.449489743}
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