How do you simplify #(3x^2 - 7x +5)+ (-4x^2 - 6x +11)+(x^2- 3x + 7)#?

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Answer 1 · 2017-09-30T02:37:57

Answer: #-16x+23#

Simplify:

#(3x^2-7x+5)+(-4x^2-6x+11)+(x^2-3x+7)#

Simplify the parentheses.

#3x^2-7x+5-4x^2-6x+11+x^2-3x+7#

Gather like terms.

#(3x^2-4x^2+x^2)+(-7x-6x-3x)+(5+11+7)#

Simplify.

#-16x+23#