Answer:
16
Step-by-step explanation:
<span>P(x) = x</span>³<span> + 5x</span>²<span> – x – 5
P(x) = x</span>²(x+5) - (x + 5)
P(x) = (x + 5)(x² - 1)
P(x) = (x + 5) (x + 1)(x -1)
What part do you need help with ?
Answer:
6x + 9 = 4
Step-by-step explanation:
Let x be the number of rocks that George have at first.
First, George have x rocks. Then, he gets 5 new rocks. So, we have:
![x + 5](https://tex.z-dn.net/?f=x%20%2B%205)
Next, half of his rock collection is given to Susan.
![\frac{x + 5}{2}](https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%20%2B%205%7D%7B2%7D%20)
Susan got 36 rocks, so the equation is