Question

1. 5x2x8-(12x9) ayudenne plis​

Answer 1

$\quad \:-\left(a\right)=-a$$5x2x8-\left(12\:x\:9\right)$

Simplifica $\:5x^2x^8-\left(12x^9\right):\quad 5x^{10}-12x^9$

Aplica la propiedad

$\quad \:-\left(a\right)=-a$

Simplifica $x^2x^8: x^10$

$=5x^{10}-12x^9$