y^2-10y=39

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Solution for y^2-10y=39 equation:


Simplifying
y2 + -10y = 39

Reorder the terms:
-10y + y2 = 39

Solving
-10y + y2 = 39

Solving for variable 'y'.

Reorder the terms:
-39 + -10y + y2 = 39 + -39

Combine like terms: 39 + -39 = 0
-39 + -10y + y2 = 0

Factor a trinomial.
(-3 + -1y)(13 + -1y) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(13 + -1y)' equal to zero and attempt to solve: Simplifying 13 + -1y = 0 Solving 13 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -1y = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -1y = 0 + -13 -1y = 0 + -13 Combine like terms: 0 + -13 = -13 -1y = -13 Divide each side by '-1'. y = 13 Simplifying y = 13

Solution

y = {-3, 13}

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