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ehidna [41]
3 years ago
6

Hey:) can you please help me posted picture of question

Mathematics
2 answers:
Keith_Richards [23]3 years ago
4 0
We have the following expression:
 (8x5 + 9) (8x3 + 9)
 Rewriting we have:
 64x ^ (5 + 3) + 72x ^ 5 + 72x ^ 3 + 81
 Rewriting we have:
 64x ^ 8 + 72x ^ 5 + 72x ^ 3 + 81
 Answer:
 
The solution for this case is given by:
 
64x ^ 8 + 72x ^ 5 + 72x ^ 3 + 81
elixir [45]3 years ago
3 0
Option B gives the correct answer.

The step by step solution using the FOIL method of multiplication is given below:

(8 x^{5}+9)(8 x^{3}+9) \\  \\ 
  =8 x^{5} (8 x^{3}+9) +9(8 x^{3}+9) \\  \\ 
=64 x^{8} +72 x^{5}+72 x^{3}+81
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Step-by-step explanation:

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