Question

5) Simplify the following:-
a) 8p-6p+2p
b) 7x+4x-3x
c) 8p+4p-2p

e) 7r+6s+2r-4s
1) 8m+3m-2m-n+4m
g) 7c-2d-3d+3d
h) l-m+21-2m+3p-p
i) 3a+6b-2b7a-9b
j) 2a+3b+5c+4a-5b-9c
6) Practice the identities(Formula) 5-times
a) (a+b)? = a +2ab+b?
b) (a-b)2 = a’-2ab+b?
c) ap-b? =(a+b) (a-b)

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Answer 1

I will send other later