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How do I make this a product?

I tried solving it, but I ended up getting the incorrect answer. Here’s what I did:

a-b+a^2-b^2
(a-b)+(a-b)(a+b)
2(a-b)(a+b)

What did I do wrong?

How do I make this a product I tried solving it but I ended up getting the incorrect answer Heres what I did aba2b2 ababab 2abab What did I do wrong class=

Respuesta :

desperatesmile

What you did wrong:

(a-b)+(a-b)(a+b)=(a-b)+(a-b)(n)

so the terms can't be combined, like 4+4n wouldn't make 8n

What you should do:

a-b+a²-b²

a²+a-b²-b

(a+b+1)(a-b)

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