Maharashtra State BoardSSC (English Medium) 7th Standard
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Expand: (3x + 4y)(3x - 4y) - Mathematics

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Sum

Expand: (3x + 4y)(3x - 4y)

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Solution

(3x + 4y)(3x - 4y)

= (3x)2 - (4y)2

= 9x2 - 16y2

Concept: Expansion of (a + b)(a - b)
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