2y^2-7y=-5

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Solution for 2y^2-7y=-5 equation:


Simplifying
2y2 + -7y = -5

Reorder the terms:
-7y + 2y2 = -5

Solving
-7y + 2y2 = -5

Solving for variable 'y'.

Reorder the terms:
5 + -7y + 2y2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + -7y + 2y2 = 0

Factor a trinomial.
(1 + -1y)(5 + -2y) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -2y)' equal to zero and attempt to solve: Simplifying 5 + -2y = 0 Solving 5 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2y = 0 + -5 -2y = 0 + -5 Combine like terms: 0 + -5 = -5 -2y = -5 Divide each side by '-2'. y = 2.5 Simplifying y = 2.5

Solution

y = {1, 2.5}

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