Answer:
10 sure️️️️️️️️ show to your teacher which class do you raed?
Answer:

Step-by-step explanation:
The first thing that I noticed was that all of the terms had a common factor of
. You can therefore factor that out first:

Now, you have a quadratic equation inside the parentheses. Factoring, you find that the roots are -0.2 and 3, meaning that you can further factor this expression to be:

Hope this helps!
Answer:
10*40
80*5
20*20
Step-by-step explanation:
20*20=400
80*5=400
10*40=400
A=-10 all you do to find a is simply add 2 to both sides of the equal sign
Answer:
45-4=41 square units
Step-by-step explanation:
full shape area = 9x5=45
cut rectangle area = 4x1=4
blue shape area = 45-4=41