Subtract : A2 + Ab + B2 from 4a2 − 3ab + 2b2

Subtract : a²+ ab + b² from 4a² − 3ab + 2b²

Sum

4a² − 3ab + 2b²+ a² + ab + b²− − −
3a² − 4ab + b²

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Combining like Terms

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Chapter 11: Algebraic Expressions - Exercise 11 (B) [Page 140]

Chapter 11 Algebraic Expressions
Exercise 11 (B) | Q 4.7 | Page 140

Evaluate :

abx − 15abx − 10abx + 32abx

Evaluate :

7x − 9y + 3 − 3x − 5y + 8

Add : x³ − x²y + 5xy² + y³, - x³ − 9xy² + y³, 3x²y + 9xy²

Subtract : −2x²y + 3xy²from 8x²y

Subtract : x³ − 4x − 1 from 3x³ − x² + 6

Subtract : cab − 4cad − cbd from 3abc + 5bcd − cda

Take away – 3x³ + 4x² – 5x+ 6 from 3x³ – 4x² + 5x – 6

Subtract the sum of 5y² + y – 3 and y² – 3y + 7 from 6y² + y – 2.

How much more than 2x² + 4xy + 2y² is 5x² + 10xy – y² ?

How much smaller is 15x – 18y + 19z than 22x – 20y – 13z + 26 ?