25x^2-30xy-121+9y^2 Pls give step by step explanation
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Answer:
=(5x-37-11) (5x-3y+11)
Step-by-step explanation:
(25x^2-30xy+9y^2)-121
= (5x-3y)^2 - (11)^2 [a^2-b^2 identity]
=(5x-3y+(11))(5x-3y-(11))
=(5x-37-11) (5x-3y+11)
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