Question

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Answer 1

Answer:

x^3+ bx^3 +5x- b

b^3 +b^4 +5b-b

b^3 + b^4 +4b

Step-by-step explanation:

hope it helps!!

By using remainders theorem

not sure that this is the answer

Answer 2

Answer:

b³+b⁴+4b is the answer

Step-by-step explanation:

hope it helps!!