8x^2+2x+1=16x-5

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Solution for 8x^2+2x+1=16x-5 equation:


Simplifying
8x2 + 2x + 1 = 16x + -5

Reorder the terms:
1 + 2x + 8x2 = 16x + -5

Reorder the terms:
1 + 2x + 8x2 = -5 + 16x

Solving
1 + 2x + 8x2 = -5 + 16x

Solving for variable 'x'.

Reorder the terms:
1 + 5 + 2x + -16x + 8x2 = -5 + 16x + 5 + -16x

Combine like terms: 1 + 5 = 6
6 + 2x + -16x + 8x2 = -5 + 16x + 5 + -16x

Combine like terms: 2x + -16x = -14x
6 + -14x + 8x2 = -5 + 16x + 5 + -16x

Reorder the terms:
6 + -14x + 8x2 = -5 + 5 + 16x + -16x

Combine like terms: -5 + 5 = 0
6 + -14x + 8x2 = 0 + 16x + -16x
6 + -14x + 8x2 = 16x + -16x

Combine like terms: 16x + -16x = 0
6 + -14x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(3 + -7x + 4x2) = 0

Factor a trinomial.
2((3 + -4x)(1 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

Subproblem 2

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

Solution

x = {0.75, 1}

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