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Add the polynomials:If the result is correct, it will match with the graph on the left.

Add the polynomials:If the result is correct, it will match with the graph on the-example-1

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5 votes

Answer:


8x^3+11x^2-27x+1

Step-by-step explanation:

To add polynomials, we can only add or subtract between terms that have the same exponent in the x.

We have:


(7x^3+15x^2-12x)+(x^3-4x^2-15x+1)

If we group the terms with the same exponent:


(7x^3+15x^2-12x)+(x^3-4x^2-15x+1)=(7x^3+x^3)+(15x^2-4x^2)+(-12x-15x)+1

And solve:


(7x^3+x^3)+(15x^2-4x^2)+(-12x-15x)+1=8x^3+11x^2-27x+1

And that's the answer

User Sbeskur
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