please give step by step explanation
kindly reply fast
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Answer:
5*3-5*2d-2d*3+2d*2d-3d²+2d³
Step-by-step explanation:
15-10d-6d+4d²-6d³
-6d²+4d²-10d+15
Answered by
0
Answer:
=3(5-2d-d^2)-2d(5-2d-d^2)
=15-6d-3d^2-10d+4d^2+2d^3
=2d^3+d^2-16d+15
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