Respuesta:
B
Explicación paso a paso:
(45x + 12x² - 15x³) + (11x + 9x² + 13x³)
(45 + 11)x + (12 + 9)x² + (13 – 15)x³
56x + 21x² – 2x³
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Verified answer
Respuesta:
B
Explicación paso a paso:
(45x + 12x² - 15x³) + (11x + 9x² + 13x³)
(45 + 11)x + (12 + 9)x² + (13 – 15)x³
56x + 21x² – 2x³
Respuesta:
(45x + 12x² - 15x³) + (11x + 9x² + 13x³)
(45 + 11)x + (12 + 9)x² + (13 – 15)x³
56x + 21x² – 2x³
Explicación paso a paso: