How do you multiply $(2s+3)(s^2+4s+3)$ ?

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Answer 1 · 2017-01-31T08:52:40

$2S^3+11S^2+18S+9$

$color(white)(aaaaaaaaaaaaa)$ $S^2+4S+3$

$color(white)(aaaaaaaaaaaaa)$ $2S+3$

$color(white)(aaaaaaaaaaa)$ $---$

$color(white)(aaaaaaaaaaaaa)$ $2S^3+8S^2+6S$

$color(white)(aaaaaaaaaaaaaaaaa)$ $+3S^2+12S+9$

$color(white)(aaaaaaaaaaaaa)$ $------$

$color(white)(aaaaaaaaaaaa)$ $2S^3+11S^2+18S+9$

How do you multiply (2s+3)(s^2+4s+3)(2s+3)(s^2+4s+3)?