Simplify : 3m + 12m – 5m

Sum

3m + 12m – 5m

= 15m - 5m = 10m

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Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (B)

Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (B) | Q 3.1

Identify the numerical coefficient of term (other than constant) in the following expression:

5 − 3t²

Write the coefficient of: xy in – 3axy

Write the coefficient of: 15 in – 15p²

For the following monomials, write its degree: – 2p²q³r⁴

Fill in the blank:

8x - 5x = ________

Fill in the blank:

16x² – 9x² = and 25xy² – 17xy² = _______.

Find the sum of: x² + x – 2, 2x – 3x² + 5 and 2x² – 5x + 7

The value of (a + b)² – (a – b)² is ______.

The side of the square of area 9y² is ______.

Write the greatest common factor in the following terms.

13x²y, 169xy