Answer:
86
Step-by-step explanation:
=> 
=> 
=> 
=> 
=> 86
Step-by-step explanation:
it comes to
<h3>
Answer: 14s^4 - 7s^2 + 15</h3>
====================================================
Work Shown:
(12s^4-6s^2+4s)+(6s^4-4s+27)-(4s^4+s^2+12)
12s^4-6s^2+4s+6s^4-4s+27-4s^4-s^2-12
(12s^4+6s^4-4s^4)+(-6s^2-s^2)+(4s-4s)+(27-12)
14s^4-7s^2+0s+15
14s^4-7s^2+15
Note: don't forget to distribute the negative to every term in the last parenthesis
Answer:
7
Step-by-step explanation:
first, plug in 3 for x:
7^2 / 3^2 - 2
then simplify:
49 / 9 - 2
49 / 7
7
Answer:
8xy+4y-z
Step-by-step explanation:
Add values with the same variables; in this case xy
