Factorise the Following by Splitting the Middle Term: 7x2 + 40x - 12 - Mathematics

Factorise the following by splitting the middle term:
7x² + 40x - 12

Sum

7x² + 40x - 12
= 7x² + 42x - 2x - 12
= 7x(x + 6) - 2(x + 6)
= (x + 6)(7x - 2).

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Chapter 5: Factorisation - Exercise 5.2

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