(21x^2-10x+1)=0

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Solution for (21x^2-10x+1)=0 equation:


Simplifying
(21x2 + -10x + 1) = 0

Reorder the terms:
(1 + -10x + 21x2) = 0

Remove parenthesis around (1 + -10x + 21x2)
1 + -10x + 21x2 = 0

Solving
1 + -10x + 21x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(1 + -7x)(1 + -3x) = 0

Subproblem 1

Set the factor '(1 + -7x)' equal to zero and attempt to solve: Simplifying 1 + -7x = 0 Solving 1 + -7x = 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 + -7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -7x = 0 + -1 -7x = 0 + -1 Combine like terms: 0 + -1 = -1 -7x = -1 Divide each side by '-7'. x = 0.1428571429 Simplifying x = 0.1428571429

Subproblem 2

Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Solution

x = {0.1428571429, 0.3333333333}

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