-7a(5a^2-12a+(-5b)+17)=

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Solution for -7a(5a^2-12a+(-5b)+17)= equation: 


Simplifying
-7a(5a2 + -12a + (-5b) + 17) = 0

Reorder the terms:
-7a(17 + -12a + 5a2 + (-5b)) = 0
(17 * -7a + -12a * -7a + 5a2 * -7a + (-5b) * -7a) = 0

Reorder the terms:
(-119a + 35ab + 84a2 + -35a3) = 0
(-119a + 35ab + 84a2 + -35a3) = 0

Solving
-119a + 35ab + 84a2 + -35a3 = 0

Solving for variable 'a'.

Factor out the Greatest Common Factor (GCF), '7a'.
7a(-17 + 5b + 12a + -5a2) = 0

Ignore the factor 7.

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 '(-17 + 5b + 12a + -5a2)' equal to zero and attempt to solve:

Simplifying
-17 + 5b + 12a + -5a2 = 0

Reorder the terms:
-17 + 12a + -5a2 + 5b = 0

Solving
-17 + 12a + -5a2 + 5b = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
a = {0}

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