Whaata+b=a-b find (a+b) 2
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1
a2 -2ab + b2 as far i think ... and a and b has square written 2
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0
a + b = a - b
a - a + b + b = 0
2b = 0
(a+b)2
= 2a + 2b
= 2a + 0
= 2a
your ans is 2a
a - a + b + b = 0
2b = 0
(a+b)2
= 2a + 2b
= 2a + 0
= 2a
your ans is 2a
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