Question

please anyone solve these questions and if you do not know please don't answer useless answers ​

Answer 1

hey mate

all will factorise by formulae

a²-b²=(a+b)(a-b)

see

1. (a+2)(a-2)
2. (5+x)(5-x)
3. (3b+4)(3b-4)
4. 7p-4(7p+4)

aise hi sab banega

31 tak aise hi banega

and i beleive u can do it

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thanx shreya