How do you simplify #(- 6a + 8+ 6a ^ { 2} ) - ( - 5a + 3a ^ { 2} + 3)#?

1 Answer
Nov 8, 2017

#3a^2-a+5#

Explanation:

You want to add terms with the same power of #a#.

#(-6a+8+6a^2)-(-5a+3a^2+3)#

#=-6a+8+6a^2+5a-3a^2-3color(white)(x)#<-- Distribute the negative

#=6a^a-3a^2-6a+5a+8-3color(white)(xxxxx)#<--Reorder the terms

#=3a^2-a+5color(white)(xxxxx)#<--Add like terms