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Find a polynomial, which if substituted for M will make the equation an identity:

M+M=8x^2−4x−6

User Tonisha
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1 Answer

6 votes

That would be M = 4x^2 - 2x - 3 because


4x^2 - 2x - 3 + 4x^2 - 2x - 3 = 8x^2 - 4x - 6

User Jonathanccalixto
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