-3a(7a+13)=

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Solution for -3a(7a+13)= equation:


Simplifying
-3a(7a + 13) = 0

Reorder the terms:
-3a(13 + 7a) = 0
(13 * -3a + 7a * -3a) = 0
(-39a + -21a2) = 0

Solving
-39a + -21a2 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '-3a'.
-3a(13 + 7a) = 0

Ignore the factor -3.

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 '(13 + 7a)' equal to zero and attempt to solve: Simplifying 13 + 7a = 0 Solving 13 + 7a = 0 Move all terms containing a to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + 7a = 0 + -13 Combine like terms: 13 + -13 = 0 0 + 7a = 0 + -13 7a = 0 + -13 Combine like terms: 0 + -13 = -13 7a = -13 Divide each side by '7'. a = -1.857142857 Simplifying a = -1.857142857

Solution

a = {0, -1.857142857}

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