7A^3+16A^2-15A=

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Solution for 7A^3+16A^2-15A= equation:


Simplifying
7A3 + 16A2 + -15A = 0

Reorder the terms:
-15A + 16A2 + 7A3 = 0

Solving
-15A + 16A2 + 7A3 = 0

Solving for variable 'A'.

Factor out the Greatest Common Factor (GCF), 'A'.
A(-15 + 16A + 7A2) = 0

Factor a trinomial.
A((-3 + -1A)(5 + -7A)) = 0

Subproblem 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 = 0

Subproblem 2

Set the factor '(-3 + -1A)' equal to zero and attempt to solve: Simplifying -3 + -1A = 0 Solving -3 + -1A = 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 + -1A = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1A = 0 + 3 -1A = 0 + 3 Combine like terms: 0 + 3 = 3 -1A = 3 Divide each side by '-1'. A = -3 Simplifying A = -3

Subproblem 3

Set the factor '(5 + -7A)' equal to zero and attempt to solve: Simplifying 5 + -7A = 0 Solving 5 + -7A = 0 Move all terms containing A to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -7A = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -7A = 0 + -5 -7A = 0 + -5 Combine like terms: 0 + -5 = -5 -7A = -5 Divide each side by '-7'. A = 0.7142857143 Simplifying A = 0.7142857143

Solution

A = {0, -3, 0.7142857143}

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