4+16x^2+8x^3+x^4=4

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Solution for 4+16x^2+8x^3+x^4=4 equation:


Simplifying
4 + 16x2 + 8x3 + x4 = 4

Add '-4' to each side of the equation.
4 + 16x2 + 8x3 + -4 + x4 = 4 + -4

Reorder the terms:
4 + -4 + 16x2 + 8x3 + x4 = 4 + -4

Combine like terms: 4 + -4 = 0
0 + 16x2 + 8x3 + x4 = 4 + -4
16x2 + 8x3 + x4 = 4 + -4

Combine like terms: 4 + -4 = 0
16x2 + 8x3 + x4 = 0

Solving
16x2 + 8x3 + x4 = 0

Solving for variable 'x'.

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

Factor a trinomial.
x2((4 + x)(4 + x)) = 0

Subproblem 1

Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}

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

Subproblem 3

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 = {0, -4, -4}

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