Step-by-step explanation:
(secx-tanx)(secx+tanx)
=sec^2-tan^2
=1
Answer:
12
Step-by-step explanation:
Distribute the negative which would get your 3x + 6 -3x + 6. The 3x would cancel out and you would add 6+6 = 12
Answer with explanation:
The given expression is

→As, multiplication of real number follows Commutative property.
Which states that, if a and b are any two real numbers , then
a × b= b × a
The Expression equivalent to ,the above expression are

Answer:
b-14 = 9
b = 23
Step-by-step explanation:
Add 14 to 9 to get b alone.