49y^2+42y+9=

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Solution for 49y^2+42y+9= equation:


Simplifying
49y2 + 42y + 9 = 0

Reorder the terms:
9 + 42y + 49y2 = 0

Solving
9 + 42y + 49y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(3 + 7y)(3 + 7y) = 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 '(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

Solution

y = {-0.4285714286, -0.4285714286}

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