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Subtract: 2x2 - 7xy - Y2 from 3x2 - 5xy + 3y2 - Mathematics

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Question

Subtract: 2x2 - 7xy - y2 from 3x2 - 5xy + 3y2 

Sum

Solution

2x2 - 7xy - y2 from 3x2 - 5xy + 3y2 

= (3x2 - 5xy + 3y2) - (2x2 - 7xy - y2

= 3x2 - 5xy + 3y2 - 2x2 + 7xy + y2 

= 3x2 - 2x2 - 5xy + 7xy + 3y2 + y2 

= x2 + 2xy + 4y2 

shaalaa.com
Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
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Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (B)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (B) | Q 10.07
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