Question

Factorise 3 X cube + 5 X square - 16 X - 2​

Answer 1

Step-by-step explanation:

x³ - 2x² - x + 2

=> x²(x - 2) - 1(x - 2)

=> (x - 2)(x² - 1)

=> (x - 2){(x)² - (1)²}

=> (x - 2)(x - 1)(x + 1)

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Answer 2

$x^{2}(2 x+5)-2(8 x+1)$

Step-by-step explanation:

$\begin{aligned}&3 x^{3}+5 x^{2}-16 x-2\\&=x^{2}(2 x+5)-2(8 x+1)\end{aligned}$

To learn more

i) X cube minus 3 x square - 9 x - 5 factorise this

https://brainly.in/question/4203056