Question

Expand the following.
49z²-25​

Answer 1

Step-by-step explanation:

(7z)²-(5)²

(7z-5)(7z+5)

Please mark brainliest please.....

Answer 2

Hey friend,

Here is your answer...

(7z)²-5²

According to the identity

(a+b) (a-b) = a²- b²

(7z+5) (7z-5)

Hope it helps...

Please mark as brainliest..

Thank you...