100x^2-80x+16=9

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Solution for 100x^2-80x+16=9 equation:


Simplifying
100x2 + -80x + 16 = 9

Reorder the terms:
16 + -80x + 100x2 = 9

Solving
16 + -80x + 100x2 = 9

Solving for variable 'x'.

Reorder the terms:
16 + -9 + -80x + 100x2 = 9 + -9

Combine like terms: 16 + -9 = 7
7 + -80x + 100x2 = 9 + -9

Combine like terms: 9 + -9 = 0
7 + -80x + 100x2 = 0

Factor a trinomial.
(1 + -10x)(7 + -10x) = 0

Subproblem 1

Set the factor '(1 + -10x)' equal to zero and attempt to solve: Simplifying 1 + -10x = 0 Solving 1 + -10x = 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 + -10x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -10x = 0 + -1 -10x = 0 + -1 Combine like terms: 0 + -1 = -1 -10x = -1 Divide each side by '-10'. x = 0.1 Simplifying x = 0.1

Subproblem 2

Set the factor '(7 + -10x)' equal to zero and attempt to solve: Simplifying 7 + -10x = 0 Solving 7 + -10x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -10x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -10x = 0 + -7 -10x = 0 + -7 Combine like terms: 0 + -7 = -7 -10x = -7 Divide each side by '-10'. x = 0.7 Simplifying x = 0.7

Solution

x = {0.1, 0.7}

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