First off, nicely done on the exponents. You'd be surprised on how bad some look ,:D
a)
b)
You mean, what is this number?
we can rephrase it like this: the sum of a number x and 8 is 15
which is:
x+8=15
we subtract 8 from both sides and we get
x=7
so the answer is 7.
There is a Khana Academy video that explains everything you have to do and it’s the same page that you’re on
If the ^ is a divided sign then 5x if it’s a multiplication sign 20x! Don’t forget Order of operations.
Answer:
False
Step-by-step explanation:
Pos and negs cannot be perfect square trinomials
