Add the following: \[2 x^2 - 3xy + y^2 \]\[ - 7 x^2 - 5xy - 2 y^2 \]4 x2 + xy - 6 y2 _______________

\[2 x^2 - 3xy + y^2 \]\[ - 7 x^2 - 5xy - 2 y^2 \]4 x2 + xy - 6 y2 \[ - x^2 - 7xy - 7 y^2\]

Add x2 − a2, −5x2 + 2a2, −4x2 + 4a2 - Mathematics

Add the following:

\[2 x^2 - 3xy + y^2 \]
\[ - 7 x^2 - 5xy - 2 y^2 \]
4 x² + xy - 6 y²

_______________

Sum

\[2 x^2 - 3xy + y^2 \]
\[ - 7 x^2 - 5xy - 2 y^2 \]
4 x² + xy - 6 y²
\[ - x^2 - 7xy - 7 y^2\]

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Chapter 8: Algebraic Expressions - Exercise 8C [Page 134]

Chapter 8 Algebraic Expressions
Exercise 8C | Q 2.3 | Page 134