Can someone tell me how to factorise 5x squared takeaway 80y squared

80y² - 5x²

Factorise

5(16y²-x²)

hope this helps

divide out any similar things, in this case, it is 5

put it outside the parenthesis, and leave the leftover inside the parenthesis

hope this helps

3units/ 5 feet = 60 units/ 100 feet3 units/ 5 feet = 18 units/ 30 feetthe dimensions of the scale drawing are 60 units by 18 units.hope this !