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Question
Factorise:
6x2 + 5x – 6
Sum
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Solution
We can find two numbers: pq = −36 and p + q = 5
They are p = 9 and q = −4
Here, 6x2 + 5x − 6
= 6x2 + 9x − 4x − 6
= 3x (2x + 3) − 2 (2x + 3)
= (2x + 3) (3x − 2)
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Factorisation of Polynomials
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Chapter 2: Polynomials - EXERCISE 2.3 [Page 36]
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