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Factorise this : 9x^2-4y^2
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Factorise this : 9x^2-4y^2

User LittleFish
by
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1 Answer

5 votes

Answer:

(3x + 2y) (3x - 2y)

Explanation:

a² - b² = (a + b) (a - b)

where a = 3x and b = 2y

User Mijanur Rahman
by
7.5k points
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