Practice30 Create account

Simplify: $4 x^{2} + 3 x - x^{2} + 5 x$ . What is the coefficient of $x^{2}$ ?

Class 7Like and Unlike TermsAlgebra

A6
B3
C4
D2

Step-by-Step Solution

x^{2}

-terms:

4 x^{2} - x^{2} = 3 x^{2} . x

-terms:

3 x + 5 x = 8 x

. Result is

3 x^{2} + 8 x

. Coefficient of

x^{2}

is 3.

Answer: B) 3

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Like and Unlike Terms practice questions

More Class 7 Like and Unlike Terms practice

Riya wrote the expression for her shopping: she bought 3x pens, then 5x more pens, and…Arjun says: 'Two terms are like terms only if they have the same coefficient.' Is Arjun…In a class activity in Pune, students placed cards on a wall. The cards read: 2ab, 5a,…A gardener in Jaipur plants saplings. He represents rose saplings by r and mango…Meera has the expression 9p + 4q - 3p + 6q - 2p. She wants to collect all the like…