Question

what is the remainder when 5x^2-3x-1 is divided by (2x+1) ?

Answer 1

Solution:-

5x² - 3x - 1 is divided by (2x + 1 )

Take 2x + 1 = 0

=> 2x + 1 = 0

=> 2x = - 1

=> x = - 1 / 2

Now put the value of x on given polynomial

=> 5x² - 3x - 1

$\to \bf \: 5 \times ( \frac{ - 1}{2} ) - 3 \times \frac{ - 1}{2} \: - 1$

$\to \bf \: \frac{ - 5}{2} + \frac{3}{2} - 1$

Take lcm= 2

$\to \bf \frac{ - 5 + 3 - 2}{2}$

$\to \bf \: \frac{ - 7 + 3}{2}$

$\to \frac{ - 4}{2}$

$\implies \: - 2$

Answer:- remainder = - 2

Answer 2

Answer:

see attachment. ✌✌

Step-by-step explanation:

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