7y^2-10y+11=y+17

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Solution for 7y^2-10y+11=y+17 equation:


Simplifying
7y2 + -10y + 11 = y + 17

Reorder the terms:
11 + -10y + 7y2 = y + 17

Reorder the terms:
11 + -10y + 7y2 = 17 + y

Solving
11 + -10y + 7y2 = 17 + y

Solving for variable 'y'.

Reorder the terms:
11 + -17 + -10y + -1y + 7y2 = 17 + y + -17 + -1y

Combine like terms: 11 + -17 = -6
-6 + -10y + -1y + 7y2 = 17 + y + -17 + -1y

Combine like terms: -10y + -1y = -11y
-6 + -11y + 7y2 = 17 + y + -17 + -1y

Reorder the terms:
-6 + -11y + 7y2 = 17 + -17 + y + -1y

Combine like terms: 17 + -17 = 0
-6 + -11y + 7y2 = 0 + y + -1y
-6 + -11y + 7y2 = y + -1y

Combine like terms: y + -1y = 0
-6 + -11y + 7y2 = 0

Factor a trinomial.
(-3 + -7y)(2 + -1y) = 0

Subproblem 1

Set the factor '(-3 + -7y)' equal to zero and attempt to solve: Simplifying -3 + -7y = 0 Solving -3 + -7y = 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 + -7y = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -7y = 0 + 3 -7y = 0 + 3 Combine like terms: 0 + 3 = 3 -7y = 3 Divide each side by '-7'. y = -0.4285714286 Simplifying y = -0.4285714286

Subproblem 2

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

Solution

y = {-0.4285714286, 2}

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