There's nothing to multiply. However, you can factor it to get (x + 4)(x - 4).
Answer:
Moderate
Step-by-step explanation:
they are reversed
She received 12 calls from her son and 30 calls in total.
40% of 30 is 12.
Answer:

Step-by-step explanation:
Answer:
5x just means 5 times so, 5 times a number(or variable)plus three is less than 7 times a number variable)plus 7