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Yuliya22 [10]
3 years ago
9

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

Mathematics
2 answers:
kupik [55]3 years ago
7 0
Option A gives the correct answer.

Step by step solution is listed below:

( x^{2} +x+8)(x-5) \\  \\ 
=x( x^{2} +x+8)-5( x^{2} +x+8) \\  \\ 
= x^{3}+ x^{2} +8x-5 x^{2} -5x-40 \\  \\ 
= x^{3}-4 x^{2} +3x-40
tatiyna3 years ago
6 0
We have the following expression:
 (x2 + x + 8) (x - 5)
 Rewriting we have:
 x3 + x2 + 8x + (-5x2 - 5x - 40)
 Adding similar terms:
 x3 - 4x2 + 3x - 40
 Answer:
 
The solution for this case is given by:
 
x3 - 4x2 + 3x - 40
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