<h2>
Answer:</h2>
7x²+5x
<h2>
Step-by-step explanation:</h2>
(9x²+8x)-(2x²+3x)
We will subtract the like terms. That means that we will subtract
from
and 3x from 8x.
Answer:
Step-by-step explanation:
You cannot add these because they are not like. IF you have a value for x, then the expression could be evaluated at the x value, but you can't add them.
Answer: No
Step-by-step explanation:
The height is 5 units and the length is 7
Use the Pythagorean theorem and you get 8.6