factorise the following sum
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hey please mark as brainliest.
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2) a2b2-a2-b2+1
a2(b2-1)-1(b2-1)
(a2-1)(b2-1)
There is a formula for a2-b2 i.e (a+b)(a-b)
(a+1)(a-1)(b+1)(b-1)
4)p2+6p-16
p2+8p-2p-16
p(p+8)-2(p-8)
(p+8)(p-2)
The 3rd question I didn't understand.
a2(b2-1)-1(b2-1)
(a2-1)(b2-1)
There is a formula for a2-b2 i.e (a+b)(a-b)
(a+1)(a-1)(b+1)(b-1)
4)p2+6p-16
p2+8p-2p-16
p(p+8)-2(p-8)
(p+8)(p-2)
The 3rd question I didn't understand.
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