Question

Factorise using identities.
(a) a² + 8ab + 16b²
(b) p² - 23p +22​

Answer 1

Answer:

0

Step-by-step explanation:

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Answer 2

Answer:

1.(a-4b)^2-(5c)^2

=(a-4b+5c)(a-4b-5c)

2.16-(x+y)^2

=(4+x+y){4-(x+y)}

=(4+x+y)(4-x-y)

Step-by-step explanation:

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