pippalotta pippalotta

04-04-2018
Mathematics

contestada

(7x² + 3y - 4) + (5x² + 5y)

Which is correct?

A. 12x² + 8y + 4
B. 12x² - 8y + 4
C. 12x² + 8y - 2
D. 12x² + 8y - 4

Thank you!

Respuesta :

04-04-2018

7x^2+3y-4+5x^2+5y=12x^2+8y-4. D) is correct.

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