7w^2+62w=9

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Solution for 7w^2+62w=9 equation:


Simplifying
7w2 + 62w = 9

Reorder the terms:
62w + 7w2 = 9

Solving
62w + 7w2 = 9

Solving for variable 'w'.

Reorder the terms:
-9 + 62w + 7w2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + 62w + 7w2 = 0

Factor a trinomial.
(-9 + -1w)(1 + -7w) = 0

Subproblem 1

Set the factor '(-9 + -1w)' equal to zero and attempt to solve: Simplifying -9 + -1w = 0 Solving -9 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1w = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1w = 0 + 9 -1w = 0 + 9 Combine like terms: 0 + 9 = 9 -1w = 9 Divide each side by '-1'. w = -9 Simplifying w = -9

Subproblem 2

Set the factor '(1 + -7w)' equal to zero and attempt to solve: Simplifying 1 + -7w = 0 Solving 1 + -7w = 0 Move all terms containing w to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -7w = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -7w = 0 + -1 -7w = 0 + -1 Combine like terms: 0 + -1 = -1 -7w = -1 Divide each side by '-7'. w = 0.1428571429 Simplifying w = 0.1428571429

Solution

w = {-9, 0.1428571429}

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