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Factorise :- 2x^2 + 7x + 3 - Mathematics

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Factorise :- 2x2 + 7x + 3

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Solution

We can find two numbers such that pq = 2 × 3 = 6 and q = 7.

They are p = 6 and = 1.

Here, 2x2 + 7x + 3 = 2x2 + 6x + x + 3

                             = 2(+ 3) + 1 (+ 3)

                             = (x + 3) (2x+ 1)

Concept: Factorising the Quadratic Polynomial (Trinomial) of the type ax2 + bx + c, a ≠ 0.
  Is there an error in this question or solution?

APPEARS IN

NCERT Class 9 Maths
Chapter 2 Polynomials
Exercise 2.4 | Q 4.2 | Page 44
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