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Mathematics 16 Online
OpenStudy (anonymous):

simplify 11/(x-1)^2

OpenStudy (eyust707):

thats already pretty simple.. i suppose you could expand it. you sure thats how its written?

OpenStudy (anonymous):

yeah

OpenStudy (eyust707):

well \[(x-1)^2 = (x-1)(x-1)\]

OpenStudy (eyust707):

so you can replace the bottom part (the denominator) with that.

OpenStudy (eyust707):

then you can use the foil method to expand the bottom part

OpenStudy (anonymous):

what is the foil methos sorry I am no good at math

OpenStudy (eyust707):

its okay

OpenStudy (eyust707):

so the foil method is like this when you have two paraenthesis multiplied by each other |dw:1334646981924:dw|

OpenStudy (eyust707):

we draw arrows to show us exactly what needs to be multiplied.

OpenStudy (eyust707):

|dw:1334647059044:dw|

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