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Simplifying a(4a + 3) = 7a3 Reorder the terms: a(3 + 4a) = 7a3 (3 * a + 4a * a) = 7a3 (3a + 4a2) = 7a3 Solving 3a + 4a2 = 7a3 Solving for variable 'a'. Combine like terms: 7a3 + -7a3 = 0 3a + 4a2 + -7a3 = 0 Factor out the Greatest Common Factor (GCF), 'a'. a(3 + 4a + -7a2) = 0 Factor a trinomial. a((1 + -1a)(3 + 7a)) = 0Subproblem 1
Set the factor 'a' equal to zero and attempt to solve: Simplifying a = 0 Solving a = 0 Move all terms containing a to the left, all other terms to the right. Simplifying a = 0Subproblem 2
Set the factor '(1 + -1a)' equal to zero and attempt to solve: Simplifying 1 + -1a = 0 Solving 1 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1a = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1a = 0 + -1 -1a = 0 + -1 Combine like terms: 0 + -1 = -1 -1a = -1 Divide each side by '-1'. a = 1 Simplifying a = 1Subproblem 3
Set the factor '(3 + 7a)' equal to zero and attempt to solve: Simplifying 3 + 7a = 0 Solving 3 + 7a = 0 Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 7a = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7a = 0 + -3 7a = 0 + -3 Combine like terms: 0 + -3 = -3 7a = -3 Divide each side by '7'. a = -0.4285714286 Simplifying a = -0.4285714286Solution
a = {0, 1, -0.4285714286}
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