D cube + 13D square +12
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D cube+ 13 D Square +12
=Dcube+(12+1)D Square+12
=D cube +12 D Square+D Square+12
=D Square (D Square+12)+1(D Square+12)
=(D Square+1)(D Square+12)
=Dcube+(12+1)D Square+12
=D cube +12 D Square+D Square+12
=D Square (D Square+12)+1(D Square+12)
=(D Square+1)(D Square+12)
princebharath1p3ym6w:
Exactly is it right
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1
Once check it out by substituting -1 and-2 like that
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