Question
Factor each expression.$$3 x^{3}\left(x^{2}+3 x\right)^{2}-15 x\left(x^{2}+3 x\right)^{2}$$
Step 1
So, we can factor that out: $$ = \left(x^{2}+3 x\right)^{2}(3x^{3}-15x) $$ Show more…
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