<span>b^4 − b^3 + b − 1
=(</span><span>b^4 − b^3) + (b − 1)
= b^3(b - 1) + (b - 1)
=(b - 1)(b^3 + 1)</span>
9514 1404 393
Answer:
21. D
22. C
Step-by-step explanation:
21. The expansion of the given expression is ...

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22. The least likely team to make the championship game is the one with the lowest probability.
3/8 < 1/2 < 2/3 < 4/5
The Bulldogs are least likely to play in the championship game.
Answer:
9 IS THE ANSWER
Step-by-step explanation:
3*3=9
-7n-21-8-64n distributive property
-7n-64n-29 commutative property
-51n-29 combine like terms
This answer is c (x-4)(x+4)