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tiny-mole [99]
3 years ago
15

(x^2-4x+5)+(7x^2+2x-3)(7x^2+4x-6)-(2x^2-3x+1)add or subtract

Mathematics
1 answer:
konstantin123 [22]3 years ago
8 0
8x^4-2x+2

5x^7x-7

I know you're going to question how I got 7. & the answer is when you have to negatives by each other that turns into a positive and you actually add. Hope this helps!
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