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Simplifying 4b4 + 4b2 + -15 = 0 Reorder the terms: -15 + 4b2 + 4b4 = 0 Solving -15 + 4b2 + 4b4 = 0 Solving for variable 'b'. Factor a trinomial. (-5 + -2b2)(3 + -2b2) = 0Subproblem 1
Set the factor '(-5 + -2b2)' equal to zero and attempt to solve: Simplifying -5 + -2b2 = 0 Solving -5 + -2b2 = 0 Move all terms containing b to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -2b2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2b2 = 0 + 5 -2b2 = 0 + 5 Combine like terms: 0 + 5 = 5 -2b2 = 5 Divide each side by '-2'. b2 = -2.5 Simplifying b2 = -2.5 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(3 + -2b2)' equal to zero and attempt to solve: Simplifying 3 + -2b2 = 0 Solving 3 + -2b2 = 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 + -2b2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2b2 = 0 + -3 -2b2 = 0 + -3 Combine like terms: 0 + -3 = -3 -2b2 = -3 Divide each side by '-2'. b2 = 1.5 Simplifying b2 = 1.5 Take the square root of each side: b = {-1.224744871, 1.224744871}Solution
b = {-1.224744871, 1.224744871}
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