Answer:
21n² - 28n + 7
Step-by-step explanation:
Each term in the second factor is multiplied by each term in the first factor, that is
3n(7n - 7) - 1(7n - 7) ← distribute both parenthesis
= 21n² - 21n - 7n + 7 ← collect like terms
= 21n² - 28n + 7
Answer:
the answer is number 4......
Answer:
d is the answer
Step-by-step explanation:
Think your answer would be C or D.
it's your choice to decide between those two now.
Answer:
22.05
Step-by-step explanation: