If $x+7$ is a factor of $cx^3 + 19x^2 - 3cx + 35$, find the constant $c$.
Question:
If $x+7$ is a factor of $cx^3 + 19x^2 - 3cx + 35$, find the constant $c$.
Answer:
Let's think step by step.

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If $x+7$ is a factor of $cx^3 + 19x^2 - 3cx + 35$, find the constant $c$.
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