Resposta:
-5x³
Explicação passo a passo:
x³ - 7x³ + 7x³ - ( 6x³ ) =
-6x³ + 7x³ - 6x³ =
x³ - 6x³ =
-5x³
[tex]x {}^{3} - 4x {}^{3} - 3x {}^{3} + 7x {}^{3} - (x {}^{3} + 2x {}^{3} + 3x {}^{3}) \\ x {}^{3} - 4x {}^{3} - 3x {}^{3} + 7x {}^{3} - (x {}^{3} + 2x {}^{3} + 3x {}^{3} \\ x {}^{3} + 2x {}^{3} + 3x {}^{3} \\ 1x {}^{3} + 2x {}^{3} + 3x {}^{3} \\ (1 + 2 + 3)x \frac{}{3} \\ 6x {}^{3} \\ x {}^{3} - 4x {}^{3} - 3x {}^{3} + 7x {}^{3} - (x {}^{3} + 2x {}^{3} + 3x {}^{3}) \\ x {}^{3} - 4x {}^{3} - 3x {}^{3} + 7x {}^{3} - 6x {}^{3} \\ 1x {}^{3} - 4x {}^{3} - 3x {}^{3} - 6x {}^{3} \\ (1 - 4 - 3 + 7 - 6) x{}^{3} \\ - 5x {}^{3} \\ x {}^{3} - 4x {}^{3} - 3x {}^{3} + 7x {}^{3} - 6x {}^{3} \\ - 5x {}^{3} \\ resposta \\ - 5x {}^{3} [/tex]
