6y-11=4y^2-28y+49

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Solution for 6y-11=4y^2-28y+49 equation:


Simplifying
6y + -11 = 4y2 + -28y + 49

Reorder the terms:
-11 + 6y = 4y2 + -28y + 49

Reorder the terms:
-11 + 6y = 49 + -28y + 4y2

Solving
-11 + 6y = 49 + -28y + 4y2

Solving for variable 'y'.

Reorder the terms:
-11 + -49 + 6y + 28y + -4y2 = 49 + -28y + 4y2 + -49 + 28y + -4y2

Combine like terms: -11 + -49 = -60
-60 + 6y + 28y + -4y2 = 49 + -28y + 4y2 + -49 + 28y + -4y2

Combine like terms: 6y + 28y = 34y
-60 + 34y + -4y2 = 49 + -28y + 4y2 + -49 + 28y + -4y2

Reorder the terms:
-60 + 34y + -4y2 = 49 + -49 + -28y + 28y + 4y2 + -4y2

Combine like terms: 49 + -49 = 0
-60 + 34y + -4y2 = 0 + -28y + 28y + 4y2 + -4y2
-60 + 34y + -4y2 = -28y + 28y + 4y2 + -4y2

Combine like terms: -28y + 28y = 0
-60 + 34y + -4y2 = 0 + 4y2 + -4y2
-60 + 34y + -4y2 = 4y2 + -4y2

Combine like terms: 4y2 + -4y2 = 0
-60 + 34y + -4y2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-30 + 17y + -2y2) = 0

Factor a trinomial.
2((-6 + y)(5 + -2y)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-6 + y)' equal to zero and attempt to solve: Simplifying -6 + y = 0 Solving -6 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + y = 0 + 6 Combine like terms: -6 + 6 = 0 0 + y = 0 + 6 y = 0 + 6 Combine like terms: 0 + 6 = 6 y = 6 Simplifying y = 6

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 = {6, 2.5}

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