49b^2-42b+9=0

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Solution for 49b^2-42b+9=0 equation:


Simplifying
49b2 + -42b + 9 = 0

Reorder the terms:
9 + -42b + 49b2 = 0

Solving
9 + -42b + 49b2 = 0

Solving for variable 'b'.

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

Subproblem 1

Set the factor '(3 + -7b)' equal to zero and attempt to solve: Simplifying 3 + -7b = 0 Solving 3 + -7b = 0 Move all terms containing b to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -7b = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -7b = 0 + -3 -7b = 0 + -3 Combine like terms: 0 + -3 = -3 -7b = -3 Divide each side by '-7'. b = 0.4285714286 Simplifying b = 0.4285714286

Subproblem 2

Set the factor '(3 + -7b)' equal to zero and attempt to solve: Simplifying 3 + -7b = 0 Solving 3 + -7b = 0 Move all terms containing b to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -7b = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -7b = 0 + -3 -7b = 0 + -3 Combine like terms: 0 + -3 = -3 -7b = -3 Divide each side by '-7'. b = 0.4285714286 Simplifying b = 0.4285714286

Solution

b = {0.4285714286, 0.4285714286}

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