Take M2 + M + 4 from −M2 + 3m + 6 and the Result from M2 + M + 1.

Take m² + m + 4 from −m² + 3m + 6 and the result from m² + m + 1.

Sum

− m² + 3m + 6
+ m² + m + 4
− − −
− 2m²+ 2m + 2
A.T.Q. m² + m + 1
− 2m² + 2m + 2
+ − −
3m² − m − 1

shaalaa.com

Combining like Terms

Is there an error in this question or solution?

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

Chapter 11 Algebraic Expressions
Exercise 11 (B) | Q 5.2 | Page 140

Evaluate :

−7x² + 18x² + 3x²− 5x²

Evaluate :

b²y − 9b²y + 2b²y − 5b²y

Add : 8x − 3y + 7z, −4x + 5y − 4z, −x − y − 2z

Add : 13ab − 9cd − xy, 5xy, 15cd − 7ab, 6xy − 3cd

Subtract : 3a − 5b + c + 2d from 7a − 3b + c − 2d

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

Subtract : 6a + 3 from a³ − 3a² + 4a + 1

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