Question

factorise
4a²-4ab+b²-9c²+12cd-4d²​

Answer 1

Answer:

4ᴀ2−4ᴀʙ+ʙ2−9ᴄ2+12ᴄᴅ−4ᴅ2

=(4ᴀ2−4ᴀʙ+ʙ2)−(9ᴄ2−12ᴄᴅ+4ᴅ2)

=(2ᴀ−ʙ)2−(3ᴄ−2ᴅ)2

=(2ᴀ−ʙ+3ᴄ−2ᴅ)(2ᴀ−ʙ−3ᴄ+2ᴅ)

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Answer 2

Answer:

ifk

Step-by-step explanation:

idk. iijh TVVFn vicini