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

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

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Combining like Terms

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

Evaluate :

b²y − 9b²y + 2b²y − 5b²y

Evaluate :

abx − 15abx − 10abx + 32abx

Evaluate :

7x − 9y + 3 − 3x − 5y + 8

Evaluate :

3x² + 5xy − 4y² + x² − 8xy − 5y²

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

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

Subtract : −2x²y + 3xy²from 8x²y

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

If x = 6a + 8b + 9c ; y = 2b – 3a – 6c and z = c – b + 3a ; find :

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