The answer should be
4.
First, simplify

to 4. Your problem should look like: 4 x 1.
Second, multiply. 4 x 1 = 4 so that is your answer.
Also, to start the equation up, make sure to add in the numbers in replace for the letters. Your problem to start with should look like:

.
13. 9x^2-36x+36
14. 4x^2+14x+20
Remember area formula for a square is Length times Width.
The area formula for a triangle is 1/2base times height.
I think this might work 440=55x-275 then solve
Answer:
101in
Step-by-step explanation:
9*5=45
9*4=36
5*4=20
45+36+20=101
Answer:
f(x)=x^3-13x-12
Step-by-step explanation: