Question

25k^2 - 9
factor??!

Answer 1

Do you know how to square root? :)

Answer 2

yes

Answer 3

@LiaAnnne Do not give direct answers. It is against the code of conduct. Thank you.

Answer 4

You need to learn to teach the person how to work it out by doing it step by step rather than just give them an answer. They learn nothing from just being told what it is.

Answer 5

can you guys help me with another?

Answer 6

but teach me

Answer 7

Yes.

Answer 8

Sorry about that haha my bad

Answer 9

16x^2-9

Answer 10

You're fine. Just please don't do it again.

Answer 11

square root of 16 is 4

Answer 12

Correct.

Answer 13

Go on.

Answer 14

What is the square root of 9?

Answer 15

Note: "25k^2 - 9" is a "difference of two squares," and there is a formula for the factoring of same. Can you find that formula?

\[a^2-b^2=(a ? )( ?? )\]