SSC (English Medium) Class 8Maharashtra State Board
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Expand. (3x+4y)(3x+5y) - SSC (English Medium) Class 8 - Mathematics

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Question

Expand.

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

Solution

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

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

= 9x2 + 9y × 3x + 20y2

= 9x2 + 27xy + 20y2

  Is there an error in this question or solution?

APPEARS IN

 Balbharati Solution for Balbharati Class 8 Mathematics (2019 to Current)
Chapter 5: Expansion formulae
Practice Set 5.1 | Q: 5 | Page no. 24
Solution Expand. (3x+4y)(3x+5y) Concept: Expansion of (X + A) (X + B).
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