How do you add #(2d ^ { 2} + 7) + ( - 4d ^ { 2} - 3d )#?

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Answer 1 · 2017-06-04T00:20:35

See a solution process below:

First, remove all of the terms from parenthesis. Be careful to handle the signs of each individual term correctly:

#2d^2 + 7 - 4d^2 - 3d#

Next, group like terms:

#2d^2 - 4d^2 - 3d + 7#

Now, combine like terms:

#(2 - 4)d^2 - 3d + 7#

#-2d^2 - 3d + 7#