Question

3. If X equal to 1 and y equal to 2 to find the value of (x+y)(x-y).​

Answer 1

ɢɪᴠᴇɴ :-

• In equation :- (x+y)(x-y).
• X = 1
• y = 2

ᴛᴏ ғɪɴᴅ :-

• Find the value of (x+y)(x-y)

ᴇxᴘʟᴀɴᴀᴛɪᴏɴ :-

$➝ \: (x + y)(x - y) \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ ➝ \: ᴀs \: \: ᴡᴇ \: \: ᴋɴᴏᴡ (x + y)(x - y) = {(x)}^{2} - {(y)}^{2}$

$➝ \: {(x)}^{2} - {(y)}^{2} \\ \\ ➝ \: {(1)}^{2} - {(2)}^{2} \: \\ \\ ➝ \:1 - 4 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \\ ➝ \: - 5 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$

I hope it helps you ❤️✔️

Answer 2

take help from the attached image....

mark me as Brainliest ☺️