Question

Factorise: x³-3x²-9x-5​

Answer 1

Answer:

x2(x-3)-1(9x-5)

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Answer 2

$\longrightarrow\underline{\underline{\red{\sf{solution}}}}$

$\sf \: Factorise: x³-3x²-9x-5$

$\sf \implies x³-3x²-9x-5$

$\implies \sf {1}^{3} - 3 \times {1}^{2} - 9 \times 1 - 5$

$\implies \sf1 - 3 \times 1 - 9 \times 1 - 5$

$\sf \implies - 1 - 3 + 9 - 5$

$\sf \implies - 9 + 9 = 0$