Answer:

Step-by-step explanation:

In order to simplify the above expressions we make sure that we get same powers of 10 for both the terms.
So, we multiply and divide the first term with 10
Dividing first term by 10.

Now multiplying it by 10.

Evaluating the new expressions.

Taking
common factor out.


Answer:
40
Step-by-step explanation:
4 lots of 10 is 10+10+10+10 or 4 x 10
Answer:
8n - (2n + 11 - 54) =
Step-by-step explanation:
6n + 43, I used a calculator !
Answer:
An equivalent fraction is 5/6
Step-by-step explanation:
In order to find this, divide both parts of the fraction by 7.
35/7 = 5
42/7 = 6
Now we can put this back together as a fraction.
5/6
Answer:
(X+8)(x-10
Step-by-step explanation:
The middle number is -2 and the last number is -80.
Factoring means we want something like
(x+_)(x+_)
Which numbers go in the blanks?
We need two numbers that...
Add together to get -2
Multiply together to get -80Try 8 and -10:
8+-10 = -2
8*-10 = -80
Fill in the blanks in
(x+_)(x+_)
with 8 and -10 to get...
(x+8)(x-10)