10w=w^2+21

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Solution for 10w=w^2+21 equation:


Simplifying
10w = w2 + 21

Reorder the terms:
10w = 21 + w2

Solving
10w = 21 + w2

Solving for variable 'w'.

Reorder the terms:
-21 + 10w + -1w2 = 21 + w2 + -21 + -1w2

Reorder the terms:
-21 + 10w + -1w2 = 21 + -21 + w2 + -1w2

Combine like terms: 21 + -21 = 0
-21 + 10w + -1w2 = 0 + w2 + -1w2
-21 + 10w + -1w2 = w2 + -1w2

Combine like terms: w2 + -1w2 = 0
-21 + 10w + -1w2 = 0

Factor a trinomial.
(-7 + w)(3 + -1w) = 0

Subproblem 1

Set the factor '(-7 + w)' equal to zero and attempt to solve: Simplifying -7 + w = 0 Solving -7 + w = 0 Move all terms containing w to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + w = 0 + 7 Combine like terms: -7 + 7 = 0 0 + w = 0 + 7 w = 0 + 7 Combine like terms: 0 + 7 = 7 w = 7 Simplifying w = 7

Subproblem 2

Set the factor '(3 + -1w)' equal to zero and attempt to solve: Simplifying 3 + -1w = 0 Solving 3 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1w = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1w = 0 + -3 -1w = 0 + -3 Combine like terms: 0 + -3 = -3 -1w = -3 Divide each side by '-1'. w = 3 Simplifying w = 3

Solution

w = {7, 3}

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