RH
Can anyone explain how to solve(factor) this?



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RH
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\[16s ^{4}  81\]

touseii45
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(4s^29)(4s^2+9)

inkyvoyd
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a^2+b^2=(a+b)(ab) hint: touseii did not give you the complete factoriazation. 4s^29 can still be factored.

touseii45
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(2s  3)(2s + 3) ? @inkyvoyd

inkyvoyd
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yeah touseii.

touseii45
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would it be (2s  3)(2s + 3)^2 because that way you get the original binomial?

inkyvoyd
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no. It'd be (2s3)(2s+3)(4s^2+9)

touseii45
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ohh okay i understand

inkyvoyd
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irreducible (with complex numbers) factorization would be \((2s3)(2s+3)(2s3i)(2s+3i)\)

touseii45
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okay makes sense thanks(:

inkyvoyd
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np xD

RH
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Thanks a lot!!!

touseii45
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Welcome(: but it was @inkyvoyd who really helped