You can't its already simplified
Answer:
The answer to your question is: k(-5) = -115
Step-by-step explanation:
Function k(n) = n³ - 3n find k(-5)
k(-5) = (-5)³ - 3(-5) substitution
k(-5) = -125 + 15 simplify
k(-5) = -115
7x-y because you can combine the 2x and 5x
Answer:
3 65/72
Step-by-step explanation:
1) First make sure the denominators are the same, so multiply the 7/9 by 8/8 and 7/8 by 9/9 since 72 is their common denominator.
18 56/72 - 14 63/72
2) Now subtract
= 3 65/72
