Answer :

Darshman29

Answer:

5x+2

Step-by-step explanation:

(3x2-4x+5)+(2x2+9x-10)+(-5x2+7)

Combine like-terms

The x-squared gets cancelled out

And you are left with 5x +2

sidraaskani6
I thinks this is the solution for this question. I tried doing it with explanations for you :) hope it helps
${teks-lihat-gambar} sidraaskani6

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