3y^2+4=-7y

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Solution for 3y^2+4=-7y equation:


Simplifying
3y2 + 4 = -7y

Reorder the terms:
4 + 3y2 = -7y

Solving
4 + 3y2 = -7y

Solving for variable 'y'.

Reorder the terms:
4 + 7y + 3y2 = -7y + 7y

Combine like terms: -7y + 7y = 0
4 + 7y + 3y2 = 0

Factor a trinomial.
(4 + 3y)(1 + y) = 0

Subproblem 1

Set the factor '(4 + 3y)' equal to zero and attempt to solve: Simplifying 4 + 3y = 0 Solving 4 + 3y = 0 Move all terms containing y to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3y = 0 + -4 3y = 0 + -4 Combine like terms: 0 + -4 = -4 3y = -4 Divide each side by '3'. y = -1.333333333 Simplifying y = -1.333333333

Subproblem 2

Set the factor '(1 + y)' equal to zero and attempt to solve: Simplifying 1 + y = 0 Solving 1 + y = 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 + y = 0 + -1 Combine like terms: 1 + -1 = 0 0 + y = 0 + -1 y = 0 + -1 Combine like terms: 0 + -1 = -1 y = -1 Simplifying y = -1

Solution

y = {-1.333333333, -1}

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