7 Complete the identities.
A. im- n) x (m-n) =
B. (b + a) x lb-a) =
2
Factorise the expressions using appropriate identities.
A. p?+ 16 pq + 649?
B. y2-lly + 24
C. 9x?-12xy + 4y?
D. 9x2 - y2
3 Factorise ma 13m + 42.
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7 Complete the identities.
A. im- n) x (m-n) =
B. (b + a) x lb-a) =
2
Factorise the expressions using appropriate identities.
A. p?+ 16 pq + 649?
B. y2-lly + 24
C. 9x?-12xy + 4y?
D. 9x2 - y2
3 Factorise ma 13m + 42.
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