Answer:
-28-7x
Step-by-step explanation:
You mulitply 7 by -4 to get -28 and then mulitply 7 by -x to get -7x
Assuming you mean
(x-2)²=49
sqare root both sides and take positive and negative roots
x-2=+/-7
add 2 to both sides
x=2+/-7
x=2+7 and 2-7
x=9 and -5
Answer:
$ 100 a year
Step-by-step explanation:
There are 16 cups in the gallon