Answer:
x^7 + x^6 - 3x^4 + 4x^3 + 6x - 3.
Step-by-step explanation:
(x3 + 2x - 1) (x4 - x3 + 3)
= x^7 - x^6 + 3x^3 + 2x^6 - 2x^4 + 6x - x^4 + x^3 - 3
= x^7 + x^6 - 3x^4 + 4x^3 + 6x - 3.
Answer:
O f(x) = x(x – b) 3
Step-by-step explanation:

Answer:
The answer would be B.
Step-by-step explanation:
Hope this helps.
Let the number x.
Then the number divided by 2 gives

Subtract 3.8 from the quotient gives

Hence,


x = 21.6