Question

Please Solve - anwered will marked as brainliast
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Answer 1

Answer:

the mean observations will be (x-3) and (x^2+9)

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Answer 2

Answer:

Step-by-step explanation:

(x+3)(x^4-81)

x(x^4-81)+3(x^4-81)

x^4-81x+3x^4-81

4x^4-81+81

4x^4-162 answer