Completely factor the following expression: \[(15x^3+80x-5)-(-4x^3+4x-5).\]
Question:
Completely factor the following expression: \[(15x^3+80x-5)-(-4x^3+4x-5).\]
Answer:
Let's think step by step.

user
19x(x^2+4)
Completely factor the following expression: \[(15x^3+80x-5)-(-4x^3+4x-5).\]
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