Question

mulptiply the given polynomials and write the degree of the product. (x2-4x+8)(x2-1)​

Answer 1

Answer:

The given polynomials are x

2

+3x+5 and x

2

−1

We can multiply the given polynomials as shown below:

(x

2

−1)(x

2

+3x+5)

⇒x

2

(x

2

+3x+5)−1(x

2

+3x+5)

⇒x

4

+3x

3

+5x

2

−x

2

−3x−5

⇒x

4

+3x

3

+(5x

2

−x

2

)−3x−5(Combiningliketerms)

⇒x

4

+3x

3

+x

2

(5−1)−3x−5

⇒x

4

+3x

3

+4x

2

−3x−5

Hence, (x

2

−1)(x

2

+3x+5)=x

4

+3x

3

+4x

2

−3x−5.

Answer 2

Answer:

ʜᴇʀᴇ ɪꜱ yᴏᴜʀ ᴀɴꜱᴡᴇʀ..⤵️⤵️

Step-by-step explanation:

qᴜᴇꜱᴛɪᴏɴ :- ᴍᴜʟᴩᴛɪᴩʟy ᴛʜᴇ ɢɪᴠᴇɴ ᴩᴏʟyɴᴏᴍɪᴀʟꜱ ᴀɴᴅ ᴡʀɪᴛᴇ ᴛʜᴇ ᴅᴇɢʀᴇᴇ ᴏꜰ ᴛʜᴇ ᴩʀᴏᴅᴜᴄᴛ . (x2-4x+8)(x2-1) ?

ᴀɴꜱᴡᴇʀ :- (x2-4x+8)(x2-1)

= × 4 × 2 - 4 × 3 + 4× + 8 × 2 - 8

= × 4 - 4 × 3 + 1 × 2 + 4x - 8

ᴅᴇɢʀᴇᴇ ᴏꜰ ᴩᴏʟyɴᴏᴍɪᴀʟ = 4 ..

ʜᴏᴩᴇ ɪᴛꜱ ʜᴇʟᴩ..⤴️⤴️