Question

If the sides of a square are lengthened by 6 cm the area becomes 225 cm^2. find the length of the side of the original square

Answer 1

\[(x+6)^2=225\]

Answer 2

Take the square root of both sides.

Answer 3

so the length is 225cm right?

Answer 4

Did you take the square root of both sides?

Answer 5

yes...its what you wrote

Answer 6

What is
\[\sqrt{(x+6)^2}\]

Answer 7

What is that?

Answer 8

u tell me thats what you wrote

Answer 9

Do you know that squaring and taking the square root are inverse operations?