1+3x
Distribute -7 through the parenthesis
Answer:
210
Step-by-step explanation:
The general formula for picking k items from a total of n is

Thus, if we want to select a committee of six people from a club with 10 members, the number of combinations is




= 210
The committee can be selected in 210 separate ways.
Answer:
x = 3 +- √18
Step-by-step explanation:
By completing the square method
I believe it’s the answer is A
Answer:
Step-by-step explanation:
the expression is equivalent to (cd)5 : c^5×d^5