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11-01-2018
Mathematics

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How to solve (4s+5t)(4s-5t)

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PeytonBrainly PeytonBrainly

11-01-2018

(4s+5t)(4s-5t)

16s^2 - 20st + 20st - 25t^2

Combine like terms...

-20st + 20st = 0

The answer is:

16s^2 - 25t^2

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