How do you evaluate #(- 5x ^ { 4} + 9x ) + ( - x ^ { 4} + 2x + 11)#?

1 Answer
Anthony R.
Nov 10, 2017

#-6x^4+11x+11#

Explanation:

Identify and combine like terms:

#color(red)(-5x^4)color(blue)(+9x)+color(red)(-x^4)color(blue)(+2x)color(green)(+11)#

#color(red)(-5x^4-x^4)+color(blue)(9x+2x)+color(green)(11)#

#color(red)(-6x^4)+color(blue)(11x)+color(green)11#

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