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81x²-36y² factorise the following |
Answer» Hey mate! here is your answer81x^2 - 36y^2= (9x)^2 - (6y)^2= [ a^2 - b^2 = (a+b) (a-b) ]= (9x+6y) (9x-6y) answer.Hope you GOT it DEARPLZ follow me and MARK as Brainliest! |
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