Question

Expand each of the following, using suitable identities.i) (2x – y + z)2 ii) (3a – 7b - c)2 iii) (18x – 11y)2iv) (3a – 4b)3 v) (7p)3 – (3q)​

Answer 1

3.1800+x-11+y+2

1.2+x-y+z+2

2.3+a-7+b-c+2

4.3+a--4+b+3

5.7+p+3+q

Step-by-step explanation:

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