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Mathematics 9 Online
OpenStudy (anonymous):

Factorise: a^2 - b^2 + a - b

OpenStudy (anonymous):

Use difference of squares.

OpenStudy (anonymous):

\[ a^2-b^2=(a+b)(a-b) \]

OpenStudy (anonymous):

The answer is (a-b) (a+b+1)

OpenStudy (anonymous):

I never said it wasn't.

OpenStudy (anonymous):

ik urs is also correct

OpenStudy (anonymous):

I gave you a step to do the whole thing

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