a(5a-7)(3a+2)=

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Solution for a(5a-7)(3a+2)= equation:


Simplifying
a(5a + -7)(3a + 2) = 0

Reorder the terms:
a(-7 + 5a)(3a + 2) = 0

Reorder the terms:
a(-7 + 5a)(2 + 3a) = 0

Multiply (-7 + 5a) * (2 + 3a)
a(-7(2 + 3a) + 5a * (2 + 3a)) = 0
a((2 * -7 + 3a * -7) + 5a * (2 + 3a)) = 0
a((-14 + -21a) + 5a * (2 + 3a)) = 0
a(-14 + -21a + (2 * 5a + 3a * 5a)) = 0
a(-14 + -21a + (10a + 15a2)) = 0

Combine like terms: -21a + 10a = -11a
a(-14 + -11a + 15a2) = 0
(-14 * a + -11a * a + 15a2 * a) = 0
(-14a + -11a2 + 15a3) = 0

Solving
-14a + -11a2 + 15a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), 'a'.
a(-14 + -11a + 15a2) = 0

Factor a trinomial.
a((-2 + -3a)(7 + -5a)) = 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 '(-2 + -3a)' equal to zero and attempt to solve: Simplifying -2 + -3a = 0 Solving -2 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -3a = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3a = 0 + 2 -3a = 0 + 2 Combine like terms: 0 + 2 = 2 -3a = 2 Divide each side by '-3'. a = -0.6666666667 Simplifying a = -0.6666666667

Subproblem 3

Set the factor '(7 + -5a)' equal to zero and attempt to solve: Simplifying 7 + -5a = 0 Solving 7 + -5a = 0 Move all terms containing a to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -5a = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5a = 0 + -7 -5a = 0 + -7 Combine like terms: 0 + -7 = -7 -5a = -7 Divide each side by '-5'. a = 1.4 Simplifying a = 1.4

Solution

a = {0, -0.6666666667, 1.4}

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