Question

add 7 x2-4x+5 and 9x-10​

Answer 1

Answer:

$7 x2-4x+5 and 9x-10$

Step-by-step explanation:

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Answer 2

Answer:

(7x²-4x+5)+(9x-10)

7x²-4x+5+9x-10

7x²+5x-5

hope it helps