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Factorise the Following by Splitting the Middle Term: 3x2 + 19x - 14

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Question

Factorise the following by splitting the middle term:
3x2 + 19x - 14

Sum
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Solution

3x2 + 19x - 14
= 3x2 + 21x - 2x - 14
= 3x(x + 7) - 2(x + 7)
= (x + 7)(3x - 2).

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Chapter 4: Factorisation - Exercise 5.2

APPEARS IN

Frank Mathematics Part 1 [English] Class 9 ICSE
Chapter 4 Factorisation
Exercise 5.2 | Q 1.6
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