Answer:
Simplify —————
b - a
1.1 Rewrite (b-a) as (-1) • (a-b)
Canceling Out :
1.2 Cancel out (a-b) which now appears on both sides of the fraction line.
Final result :
-1
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given


Required
Ratio B(x) to A(x)
This is calculated as:

Express as fraction

Substitute:
and 

Apply law of indices


19 - 2 = 17 17 - 4 = 13 number = 13
Answer:
Step-by-step explanation:
when x = 5
x² + 8
= (5)² + 8
= 25 + 8
= 33