Start learning →

The expression x^2 + 3x factorises as

Ax(x + 3)
B3(x^2 + 1)
C(x + 3)^2
Dx(x - 3)
Answer & Solution
Correct answer: A. x(x + 3)
Both terms share the factor x, which gives x(x + 3).
Practise this question with Quill — RRB NTPC →

Keep practising Elementary Algebra

Browse all Elementary Algebra questions for RRB NTPC, or explore more Mathematics topics.

Start a Elementary Algebra lesson →