Maharashtra State BoardSSC (English Medium) 8th Standard
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Expand. (3x+4y)(3x+5y) - Mathematics

Sum

Expand.

(3x+4y) (3x+5y)

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Solution

(3x+4y) (3x+5y)

= (3x)2 + {4y + 5y} (3x) + (4y) × (5y)

= 9x2 + 9y × 3x + 20y2

= 9x2 + 27xy + 20y2

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APPEARS IN

Balbharati Mathematics 8th Standard Maharashtra State Board
Chapter 5 Expansion formulae
Practice Set 5.1 | Q 5 | Page 24
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