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Shalnov [3]
3 years ago
13

Which polynomial represents the difference below? (8x^2 + 9) - (3x^2 + 2x + 5)

Mathematics
2 answers:
MariettaO [177]3 years ago
5 0

Answer:  The correct option is (A) 5x^2-2x+4.

Step-by-step explanation:  We are given to select the polynomial that represents the following difference :

D=(8x^2+9)-(3x^2+2x+5)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

To find the required difference, we need to subtract the coefficients of the same powers of the unknown variable x.

From (i), we get

D\\\\=(8x^2+9)-(3x^2+2x+5)\\\\=8x^2+9-3x^2-2x-5\\\\=(8-3)x^2-2x+(9-5)\\\\=5x^2-2x+4.

Thus, the required difference is 5x^2-2x+4.

Option (A) is CORRECT.

astraxan [27]3 years ago
3 0

the answer is......... A

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