Question

Eliminar los Signos De Agrupacion.
4.5{3x²-3(3x³-5x)}

5. 3[4x²+6x³-4x]

6. 5{4x-6[2x²-6y+(4-8)] }

7. 7[2x+3]

8. 2{2x+(8x²-6x³) }

Answer 1

4.5{3x²-3(3x³-5x)}
5{3x²-9x³+15x}
15x²-45x³+75x




5. 3[4x²+6x³-4x]
12x²+18x³-12x

6. 5{4x-6[2x²-6y+(4-8)] }
5{ 4x²-6[2x²-6y+4-8]}
5{ 4x²-12x²-36y+24}
20x²-60x²-180y+120

7. 7[2x+3]
14x+21

8. 2{2x+(8x²-6x³) }
2{2x+8x²-6x³}
4x+16x²-12x³


saludos