3(3b^2+5b-3)=

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Solution for 3(3b^2+5b-3)= equation:


Simplifying
3(3b2 + 5b + -3) = 0

Reorder the terms:
3(-3 + 5b + 3b2) = 0
(-3 * 3 + 5b * 3 + 3b2 * 3) = 0
(-9 + 15b + 9b2) = 0

Solving
-9 + 15b + 9b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-3 + 5b + 3b2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-3 + 5b + 3b2)' equal to zero and attempt to solve: Simplifying -3 + 5b + 3b2 = 0 Solving -3 + 5b + 3b2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -1 + 1.666666667b + b2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + 1.666666667b + 1 + b2 = 0 + 1 Reorder the terms: -1 + 1 + 1.666666667b + b2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 1.666666667b + b2 = 0 + 1 1.666666667b + b2 = 0 + 1 Combine like terms: 0 + 1 = 1 1.666666667b + b2 = 1 The b term is 1.666666667b. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667b + 0.6944444447 + b2 = 1 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667b + b2 = 1 + 0.6944444447 Combine like terms: 1 + 0.6944444447 = 1.6944444447 0.6944444447 + 1.666666667b + b2 = 1.6944444447 Factor a perfect square on the left side: (b + 0.8333333335)(b + 0.8333333335) = 1.6944444447 Calculate the square root of the right side: 1.301708279 Break this problem into two subproblems by setting (b + 0.8333333335) equal to 1.301708279 and -1.301708279.

Subproblem 1

b + 0.8333333335 = 1.301708279 Simplifying b + 0.8333333335 = 1.301708279 Reorder the terms: 0.8333333335 + b = 1.301708279 Solving 0.8333333335 + b = 1.301708279 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + b = 1.301708279 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + b = 1.301708279 + -0.8333333335 b = 1.301708279 + -0.8333333335 Combine like terms: 1.301708279 + -0.8333333335 = 0.4683749455 b = 0.4683749455 Simplifying b = 0.4683749455

Subproblem 2

b + 0.8333333335 = -1.301708279 Simplifying b + 0.8333333335 = -1.301708279 Reorder the terms: 0.8333333335 + b = -1.301708279 Solving 0.8333333335 + b = -1.301708279 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + b = -1.301708279 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + b = -1.301708279 + -0.8333333335 b = -1.301708279 + -0.8333333335 Combine like terms: -1.301708279 + -0.8333333335 = -2.1350416125 b = -2.1350416125 Simplifying b = -2.1350416125

Solution

The solution to the problem is based on the solutions from the subproblems. b = {0.4683749455, -2.1350416125}

Solution

b = {0.4683749455, -2.1350416125}

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