Question

Find the remainder when x2 – 8x + 4 is divided by 2x + 1.​

Answer 1

Answer:

2x+1=0

x=-1/2

By remainder theorem.

p(x)=x²-8x+4

Put x=-1/2 in p(x)

p(-1/2)=(-1/2)²-8(-1/2)+4

=1/4+4+4

=

$\frac{1 }{4} + 4 + 4$

$\frac{1}{4} + 8$

$\frac{33}{4}$

Hence the remainder is 33/4

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Answer 2

Answer:

33/4

Step-by-step explanation:

2x+1=0, 2x=0-1, x=-1/2 x^2-8x+4= (-1/2)^2-8×(-1/2)+4, 1/4+4+4 =1+16+16/4=33/4