y^2-y*5-14=0

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Solution for y^2-y*5-14=0 equation:


Simplifying
y2 + -1y * 5 + -14 = 0

Reorder the terms for easier multiplication:
y2 + -1 * 5y + -14 = 0

Multiply -1 * 5
y2 + -5y + -14 = 0

Reorder the terms:
-14 + -5y + y2 = 0

Solving
-14 + -5y + y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-2 + -1y)(7 + -1y) = 0

Subproblem 1

Set the factor '(-2 + -1y)' equal to zero and attempt to solve: Simplifying -2 + -1y = 0 Solving -2 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1y = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1y = 0 + 2 -1y = 0 + 2 Combine like terms: 0 + 2 = 2 -1y = 2 Divide each side by '-1'. y = -2 Simplifying y = -2

Subproblem 2

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

Solution

y = {-2, 7}

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