Question

factorise yy-49
a. (y+7) (y-7)
b. (7-y)(7+y)
c. none of these​

Answer 1

$ㅤㅤㅤ\huge {\red {\boxed</p><p></p><p>{\mathfrak{ \underline{Answer}}}}}$

• ʙ ᴏᴘᴛɪᴏɴ ɪs ᴄᴏʀʀᴇᴄᴛ

• ᴛʜᴀᴛ ɪs (7-ʏ)(7+ʏ)

• Ʀᴇᴀsᴏɴ = sᴏʟᴠᴇ ʟɪᴋᴇ ғᴀᴄᴄᴛᴏʀs ᴀɴᴅ ɢᴇᴛ ᴛʜᴇ ᴀɴsᴡᴇʀ

• ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs

Answer 2

Answer:

a. correct h

Step-by-step explanation:

yy - 49

y²-7²

(y+7)(y-7)