Question

simplify the polynomial(-8x) + x + (-2x) a) 5x , b) 9x , c)-9, d) -5x

Answer 1

  $(-8x) + x + (-2x)$ 

$-8x+x-2x$ 

$= -9x$

Answer 2

(-8x) + x + (-2x) = -8x + 1x - 2x = (-8 + 1 - 2)x = -9x