Factorise the question 9x²-4y²
Answers
Answered by
17
Answer:
9x^2 - 4y^2
=(3x)^2 - (2y)^2
=(3x + 2y)(3x - 2y)..........
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Answered by
13
Answer:
(3x+2y)(3x-2y)
Step-by-step explanation:
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