Answer: 8
Step-by-step explanation:
Answer:
Step-by-step explanation:

Standard: x=4
implicit: x-4=0
Answer:

Step-by-step explanation:







- When it happens that the product of the factors is the same as zero. It is divided into two possible cases.

- We solve the two equations:

<h2>Answer: </h2>

<h3><em><u>MissSpanish</u></em></h3>