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Simplifying a9 + 4a8b + -5a7b2 = 0 Reorder the terms: -5a7b2 + 4a8b + a9 = 0 Solving -5a7b2 + 4a8b + a9 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), 'a7'. a7(-5b2 + 4ab + a2) = 0 Factor a trinomial. a7((-5b + -1a)(b + -1a)) = 0Subproblem 1
Set the factor 'a7' equal to zero and attempt to solve: Simplifying a7 = 0 Solving a7 = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a7 = 0 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 '(-5b + -1a)' equal to zero and attempt to solve: Simplifying -5b + -1a = 0 Reorder the terms: -1a + -5b = 0 Solving -1a + -5b = 0 Move all terms containing a to the left, all other terms to the right. Add '5b' to each side of the equation. -1a + -5b + 5b = 0 + 5b Combine like terms: -5b + 5b = 0 -1a + 0 = 0 + 5b -1a = 0 + 5b Remove the zero: -1a = 5b Divide each side by '-1'. a = -5b Simplifying a = -5bSubproblem 3
Set the factor '(b + -1a)' equal to zero and attempt to solve: Simplifying b + -1a = 0 Reorder the terms: -1a + b = 0 Solving -1a + b = 0 Move all terms containing a to the left, all other terms to the right. Add '-1b' to each side of the equation. -1a + b + -1b = 0 + -1b Combine like terms: b + -1b = 0 -1a + 0 = 0 + -1b -1a = 0 + -1b Remove the zero: -1a = -1b Divide each side by '-1'. a = b Simplifying a = bSolution
a = {-5b, b}
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