4x^2+8x+4=100

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Solution for 4x^2+8x+4=100 equation:


Simplifying
4x2 + 8x + 4 = 100

Reorder the terms:
4 + 8x + 4x2 = 100

Solving
4 + 8x + 4x2 = 100

Solving for variable 'x'.

Reorder the terms:
4 + -100 + 8x + 4x2 = 100 + -100

Combine like terms: 4 + -100 = -96
-96 + 8x + 4x2 = 100 + -100

Combine like terms: 100 + -100 = 0
-96 + 8x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-24 + 2x + x2) = 0

Factor a trinomial.
4((-6 + -1x)(4 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 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 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-6, 4}

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