Answer: x² - 4
<u>Four less than</u> the <u>square of a number</u>
↓ ↓
(Take away 4) x²
Four less than the square of a number = x² - 4
between 30 and 50 is approximately 40
Answer:
x^3(2x+1)(2x-1)
Step-by-step explanation:
first take common then use formula of a^2-b^2
Step-by-step explanation:
▲ =1
easy peasy........
I don't really know how to explain it to you but what I can tell you is that in 1 centigram there are 10 milligrams.
