simplify
plsssssssssssssssss answer it
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here
(a2)2-((a-b) 2)
a2-b2=(a+b)(a-b)
a=a2
b=(a-b)2
(a2+(a-b) 2)(a2-(a-b) 2)
(a2+ a2-b2)(a2-a2+b2)
(2a2-b2)(b2)
2a2b2-2b2
(a2)2-((a-b) 2)
a2-b2=(a+b)(a-b)
a=a2
b=(a-b)2
(a2+(a-b) 2)(a2-(a-b) 2)
(a2+ a2-b2)(a2-a2+b2)
(2a2-b2)(b2)
2a2b2-2b2
sibhiamar:
i didn't mean to spot out your wrong
i just happen to see what's your answer and worked it out then i got struct in 6 th step of your derivation
i just check out each and every possible derivations
if i mistakenly hurt you, i am really sorry
but i didn't get your 6 th step
how did you expand (a-b)² to a²-b²
isn't (a-b)²=a²+b²-2ab ?
please explain
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