(81x^2+-72x+16)=0

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Solution for (81x^2+-72x+16)=0 equation:


Simplifying
(81x2 + -72x + 16) = 0

Reorder the terms:
(16 + -72x + 81x2) = 0

Remove parenthesis around (16 + -72x + 81x2)
16 + -72x + 81x2 = 0

Solving
16 + -72x + 81x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(4 + -9x)(4 + -9x) = 0

Subproblem 1

Set the factor '(4 + -9x)' equal to zero and attempt to solve: Simplifying 4 + -9x = 0 Solving 4 + -9x = 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 + -9x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -9x = 0 + -4 -9x = 0 + -4 Combine like terms: 0 + -4 = -4 -9x = -4 Divide each side by '-9'. x = 0.4444444444 Simplifying x = 0.4444444444

Subproblem 2

Set the factor '(4 + -9x)' equal to zero and attempt to solve: Simplifying 4 + -9x = 0 Solving 4 + -9x = 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 + -9x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -9x = 0 + -4 -9x = 0 + -4 Combine like terms: 0 + -4 = -4 -9x = -4 Divide each side by '-9'. x = 0.4444444444 Simplifying x = 0.4444444444

Solution

x = {0.4444444444, 0.4444444444}

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