Question

quien me ayuda doy corona
​

Answer 1

Respuesta:

a)

$(4x {}^{4} + 3x {}^{3} + 2x {}^{2} - x + 1) + (5x {}^{2} - 2x + 3) \\ (12x {}^{7} + 2x {}^{2} - x + 1) + 5x {}^{2} - 2x + 3 \\ 12x {}^{7} + 2x {}^{2} - x + 1 + 5x {}^{2} - 2x + 3 \\ 12x {}^{7} + 7x {}^{2} - 3x + 4$

c)

$( - 3x {}^{4} - 4x {}^{3} - 1) + ( - x {}^{4} + 4x {}^{3} + 2x {}^{2} + x + 1) \\ - 3x {}^{4} - 4x {}^{3} - 1 - x {}^{4} + 2x {}^{2} + x + 1 \\ - 4x {}^{4} + 2x {}^{2} + x$

Espero te sirva!