How do you combine #(2x ^ { 2} + 7) - ( 8x ^ { 2} - 3)#?

1 Answer
Nam D.
Jan 26, 2018

#-6x^2+10#

Explanation:

Distribute out the brackets (be careful of the negative sign, reverse the signs when evaluating!)

#2x^2+7-8x^2+3#

Combine common terms #x^2#'s and whole numbers.

#-6x^2+10#

Final answer would be #-6x^2+10#.

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