-3n^2+11n+28=-4n^2

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Solution for -3n^2+11n+28=-4n^2 equation:


Simplifying
-3n2 + 11n + 28 = -4n2

Reorder the terms:
28 + 11n + -3n2 = -4n2

Solving
28 + 11n + -3n2 = -4n2

Solving for variable 'n'.

Combine like terms: -3n2 + 4n2 = 1n2
28 + 11n + 1n2 = -4n2 + 4n2

Combine like terms: -4n2 + 4n2 = 0
28 + 11n + 1n2 = 0

Factor a trinomial.
(7 + n)(4 + n) = 0

Subproblem 1

Set the factor '(7 + n)' equal to zero and attempt to solve: Simplifying 7 + n = 0 Solving 7 + n = 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 + n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + n = 0 + -7 n = 0 + -7 Combine like terms: 0 + -7 = -7 n = -7 Simplifying n = -7

Subproblem 2

Set the factor '(4 + n)' equal to zero and attempt to solve: Simplifying 4 + n = 0 Solving 4 + n = 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 + n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + n = 0 + -4 n = 0 + -4 Combine like terms: 0 + -4 = -4 n = -4 Simplifying n = -4

Solution

n = {-7, -4}

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