Math, asked by khushichhetri96, 1 month ago

12. a? -9b2 + 4c2-25d - 4ac + 30bd

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Answered by Aleezaplassery

0

Answer:

a²-9b²+4c²-25d²-4ac+30bd

(a×a) - (9b×9b) +(4c×4c) -(25d×25d) - 4ac +30bd

1a-81b+16c-625-4ac+30bd

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