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Reika [66]
3 years ago
14

Factorise by first completing the square.

Mathematics
1 answer:
Natalka [10]3 years ago
7 0
A) (x+1)^2

=x^2+2x+1

To get -2 from 1 you minus 3

So the answer in complete the square format would be (x+1)^2 -3
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