I think so, I hope it's right :)
Answer:
(x–1)(x²–6x+6)
Explanation:
Given that 1 is a zero, we can use synthetic division to compute the factor.
If 1 is a zero (x–1) is a factor.
Here is the process:
| 1 | 1 -7 12 -6
↓ +(1) +(-6) +(6)
↓ ↓ ↓
1 -6 6 0
→ [1]x² + [-6]x + [6]1 + [0]/x–1 =
x² – 6x + 6.
Therefore the factors are (x–1)(<u>x²–6x+6</u>)
Answer: it will take 5 months for both plans to cost the same.
Step-by-step explanation:
Let x represent the number of months before the cost of the two phones and monthly service fees would be the same.
check sell offers a new phone for $50 and unlimited service for a monthly fee of $40. This means that the total cost of using this plan for x months would be
50 + 40x
cellular offers a new phone and unlimited service for a monthly fee of $50. This means that the total cost of using this plan for x months would be
50x
For both plans to cost the same, the number of months that it will take is
50 + 40x = 50x
50x - 40x = 50
10x = 50
x = 50/10 = 5