How i solve this problem of class 9th ncert book of Polynomials chapter of exercise 2.4. Give me the best way for solving this question in easy way Factorize:(iii) 6×2+5x-6
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Using the splitting the middle term method,
We have to find a number whose sum = 5 and product = 6×-6 = -36
We get -4 and 9 as the numbers [-4+9 = 5 and -4×9 = -36]
6x2+5x-6 = 6x2+9x–4x–6
= 3x(2x+3)–2(2x+3)
= (2x+3)(3x–2)