Question

1-19x-120x² factorise​

Answer 1

Answer:

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Answer 2

$\red{\bold {\underline{\underline{Answer:}}}}$ $\bf\blue{(5x + 1)(1 - 24x)}$

Step-by-step explanation:

$1 - 19x - 120 {x}^{2} \\ = - 120 {x}^{2} - 19 + 1 \\ = -120 {x}^{2} - 24x + 5x + 1 \\ = - 24x(5x + 1) + 1(5x + 1) \\ = (5x + 1)(1 - 24x)$

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