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04-06-2018
Mathematics

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Which expression is equivalent to (3x^2 - 7)?

A. (2x^2 - 11) - (x^2 + 4)

B. (5x^2 - 6) - (2x^2 - 1)

C. (10x^2 - 4) - (7x^2 + 3)

D. (15x^2 + 8) - (18x^2 + 1)

Respuesta :

04-06-2018

B. (5x^2 - 6) - (2x^2 - 1)

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