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Mathematics 8 Online
OpenStudy (anonymous):

Use the FOIL method to find the product: (6x^6-2)(x^9-4)

OpenStudy (anonymous):

OpenStudy (anonymous):

this means do 4 multiplications, that is all. FOIL is a bad joke perpetrated by bad math teachers you need \[6x^6\times x^9+6x^6\times (-4)-2\times x^9-2\times (-4)\]

OpenStudy (anonymous):

I got 6x^15 -2x^9-24x^6+8. Can you tell me if this correct?

OpenStudy (anonymous):

FOIL = First, Outside, Inside, Last. It's the order in which you multiply the numbers in the brackets.

OpenStudy (amistre64):

so is LIFO :)

OpenStudy (amistre64):

and 22 other iterations of the lettering

OpenStudy (amistre64):

6x^6 -2 x^9 -4 ------------ 6x^15 -2x^9 -24x^6 +8 --------------------- \(6x^15 -2x^9-24x^6 +8\)

OpenStudy (amistre64):

so yes, your answer is correct

OpenStudy (anonymous):

i am partial to LOIF myself

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