Answer:4x^3-2x^2+20x-10
Step-by-step explanation:
Answer:
120
Step-by-step explanation:
Answer:

Step-by-step explanation:
So we have:

This is the same as:

Separate:

Replace the second term with i:

The square root of 66 cannot be simplified.
So, this is our answer :)
Is that 21/2 or 1/2 huh
elephant grass grows to 9/2 inches in 9 days
elephant grass grows to 4.5 inches in 9 days