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Simplifying 4n2 + -56 = 2n Reorder the terms: -56 + 4n2 = 2n Solving -56 + 4n2 = 2n Solving for variable 'n'. Reorder the terms: -56 + -2n + 4n2 = 2n + -2n Combine like terms: 2n + -2n = 0 -56 + -2n + 4n2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-28 + -1n + 2n2) = 0 Factor a trinomial. 2((-7 + -2n)(4 + -1n)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-7 + -2n)' equal to zero and attempt to solve: Simplifying -7 + -2n = 0 Solving -7 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2n = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2n = 0 + 7 -2n = 0 + 7 Combine like terms: 0 + 7 = 7 -2n = 7 Divide each side by '-2'. n = -3.5 Simplifying n = -3.5Subproblem 2
Set the factor '(4 + -1n)' equal to zero and attempt to solve: Simplifying 4 + -1n = 0 Solving 4 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1n = 0 + -4 -1n = 0 + -4 Combine like terms: 0 + -4 = -4 -1n = -4 Divide each side by '-1'. n = 4 Simplifying n = 4Solution
n = {-3.5, 4}
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