y^2-5y-11=13

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Solution for y^2-5y-11=13 equation:


Simplifying
y2 + -5y + -11 = 13

Reorder the terms:
-11 + -5y + y2 = 13

Solving
-11 + -5y + y2 = 13

Solving for variable 'y'.

Reorder the terms:
-11 + -13 + -5y + y2 = 13 + -13

Combine like terms: -11 + -13 = -24
-24 + -5y + y2 = 13 + -13

Combine like terms: 13 + -13 = 0
-24 + -5y + y2 = 0

Factor a trinomial.
(-3 + -1y)(8 + -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 '(8 + -1y)' equal to zero and attempt to solve: Simplifying 8 + -1y = 0 Solving 8 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1y = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1y = 0 + -8 -1y = 0 + -8 Combine like terms: 0 + -8 = -8 -1y = -8 Divide each side by '-1'. y = 8 Simplifying y = 8

Solution

y = {-3, 8}

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