Step-by-step explanation:
Do more and more practice daily
Answer:
please check the explanation.
Step-by-step explanation:
Let suppose we have a number = n
The negative reciprocal of 'n' = -1/n
Taking the product of 'n' and its negative reciprocal '-1/n':

remove parentheses: (-a) = -a





Canceling the common factor (the number itself) will bring -1.
It proves that the multiplication of any number and its negative reciprocal will always yield -1.
Answer:
Hours
Step-by-step explanation:
It's the wrong number.
Answer:
a^2+6a+9
Step-by-step explanation: