Question

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Answer 1

\[x^3 + 4x^2 + 9x + 36\]
Grouping is likely the easiest method for this problem.
I'll show you the first group. See if you can factor the rest from there.
\[x^3 + 4x^2 + 9x + 36=x^2*(x+4) + 9*(x+4)\]

**hint** There's something similar between the two expressions that can be grouped together.

yes your answer is one of the factors