3x^2+24x+55=7

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Solution for 3x^2+24x+55=7 equation:


Simplifying
3x2 + 24x + 55 = 7

Reorder the terms:
55 + 24x + 3x2 = 7

Solving
55 + 24x + 3x2 = 7

Solving for variable 'x'.

Reorder the terms:
55 + -7 + 24x + 3x2 = 7 + -7

Combine like terms: 55 + -7 = 48
48 + 24x + 3x2 = 7 + -7

Combine like terms: 7 + -7 = 0
48 + 24x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(16 + 8x + x2) = 0

Factor a trinomial.
3((4 + x)(4 + x)) = 0

Ignore the factor 3.

Subproblem 1

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

Subproblem 2

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

Solution

x = {-4, -4}

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