(d²+3)(d²+2d+1)=?
please help me
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Answered by
1
Answer:
sorry bro.............
Answered by
2
Answer:
=(d²+3)(d²+2d+1)
=d²(d²+2d+1)+3(d²+2d+1)
=d⁴+2d³+d²+3d²+6d+3
=d⁴+2d³+4d²+6d+3
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