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Mathematics 25 Online
OpenStudy (anonymous):

(1 - 7x)(1 + 9x)

rvc (rvc):

it is in the form (a-b)(a+b)

rvc (rvc):

@janiza123

OpenStudy (anonymous):

ok but im still confuse i tried doing it and it was wrong answers:(

rvc (rvc):

1(1+9x)-7x(1+9x)

rvc (rvc):

@janiza123

OpenStudy (anonymous):

thank u:)

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