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Simplifying 49y2 + -28y + 4 = 0 Reorder the terms: 4 + -28y + 49y2 = 0 Solving 4 + -28y + 49y2 = 0 Solving for variable 'y'. Factor a trinomial. (2 + -7y)(2 + -7y) = 0Subproblem 1
Set the factor '(2 + -7y)' equal to zero and attempt to solve: Simplifying 2 + -7y = 0 Solving 2 + -7y = 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 + -7y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7y = 0 + -2 -7y = 0 + -2 Combine like terms: 0 + -2 = -2 -7y = -2 Divide each side by '-7'. y = 0.2857142857 Simplifying y = 0.2857142857Subproblem 2
Set the factor '(2 + -7y)' equal to zero and attempt to solve: Simplifying 2 + -7y = 0 Solving 2 + -7y = 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 + -7y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7y = 0 + -2 -7y = 0 + -2 Combine like terms: 0 + -2 = -2 -7y = -2 Divide each side by '-7'. y = 0.2857142857 Simplifying y = 0.2857142857Solution
y = {0.2857142857, 0.2857142857}
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