jennyxo jennyxo

23-11-2016
Mathematics

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expand (y-8)(y-6) with workings please

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23-11-2016

you expand this by using the foil method!!

(y - 8)(y - 6)
multiply the FIRST terms in each binomial ... y²
multiply the OUTER terms ("y" and "-6) ... y² - 6y
multiply the INNER terms ("-8" and "y") ... y² - 6y - 8y
multiply the LAST terms in each binomial ... y² - 6y - 8y + 48
add like terms ... y² - 14y + 48

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