2b*(5b-9b)-3b=14

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Solution for 2b*(5b-9b)-3b=14 equation:


Simplifying
2b(5b + -9b) + -3b = 14

Combine like terms: 5b + -9b = -4b
2b(-4b) + -3b = 14

Remove parenthesis around (-4b)
2b * -4b + -3b = 14

Reorder the terms for easier multiplication:
2 * -4b * b + -3b = 14

Multiply 2 * -4
-8b * b + -3b = 14

Multiply b * b
-8b2 + -3b = 14

Reorder the terms:
-3b + -8b2 = 14

Solving
-3b + -8b2 = 14

Solving for variable 'b'.

Reorder the terms:
-14 + -3b + -8b2 = 14 + -14

Combine like terms: 14 + -14 = 0
-14 + -3b + -8b2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(14 + 3b + 8b2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(14 + 3b + 8b2)' equal to zero and attempt to solve: Simplifying 14 + 3b + 8b2 = 0 Solving 14 + 3b + 8b2 = 0 Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. 1.75 + 0.375b + b2 = 0 Move the constant term to the right: Add '-1.75' to each side of the equation. 1.75 + 0.375b + -1.75 + b2 = 0 + -1.75 Reorder the terms: 1.75 + -1.75 + 0.375b + b2 = 0 + -1.75 Combine like terms: 1.75 + -1.75 = 0.00 0.00 + 0.375b + b2 = 0 + -1.75 0.375b + b2 = 0 + -1.75 Combine like terms: 0 + -1.75 = -1.75 0.375b + b2 = -1.75 The b term is 0.375b. Take half its coefficient (0.1875). Square it (0.03515625) and add it to both sides. Add '0.03515625' to each side of the equation. 0.375b + 0.03515625 + b2 = -1.75 + 0.03515625 Reorder the terms: 0.03515625 + 0.375b + b2 = -1.75 + 0.03515625 Combine like terms: -1.75 + 0.03515625 = -1.71484375 0.03515625 + 0.375b + b2 = -1.71484375 Factor a perfect square on the left side: (b + 0.1875)(b + 0.1875) = -1.71484375 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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