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sleet_krkn [62]
2 years ago
5

The sum of −15x2 −5x + 11 and another polynomial expression is −9x2 + 3x −10. What is the other polynomial expression?

Mathematics
2 answers:
SOVA2 [1]2 years ago
6 0

Answer:

B

Step-by-step explanation:

To find the missing term, subtract the given term from the sum.

(−9x2 + 3x −10)−(−15x2 −5x + 11)

−9x2 + 3x −10 + 15x2 + 5x − 11

6x2 + 8x − 21

jeka57 [31]2 years ago
4 0

-15x^2-5x+11+P(x)=-9x^2+3x-10\\\\P(x)=-9x^2+3x-10+15x^2+5x-11\\\\P(x)=-9x^2+15x^2+3x+5x-10-11\\\\\boxed{P(x)=6x^2+8x-21}

Answer B)

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