Question

$x^{3} - 3 {x}^{2} - 9x - 5 \div 1 + x$
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Answer 1

Answer:

$\green { x^{2} - 4x - 5 }$

Step-by-step explanation:

$x^{3} - 3 {x}^{2} - 9x - 5 \div 1 + x$

x+1 ) x³-3x²-9x-5 ( x²-4x-5

****** x³ + x²

_______________

********** -4x² - 9x

********** -4x² - 4x

________________

***************** -5x - 5

***************** -5x - 5

_________________

*******Remainder (0)

Therefore.,

$\red {x^{3} - 3 {x}^{2} - 9x - 5 \div 1 + x}$

$\green {= x^{2} - 4x - 5 }$

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