The following two polynomials are added: (5x 3 −3x 2 +7x)+(4x 3 + ? +7x)=9x 3 −2x 2 +14x Find the value of the question mark.

asked Jun 18, 2022 16.5k views

3 votes

The following two polynomials are added: (5x 3 −3x 2 +7x)+(4x 3 + ? +7x)=9x 3 −2x 2 +14x

Find the value of the question mark.

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5 votes

Answer:

x²

Explanation:

-2x²- (-3x²) = x²

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