How do you write #(3x^2-4)+(5x^2+8)# in standard form?

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Answer 1 · 2017-06-07T15:35:13

See a solution process below:

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

#3x^2 - 4 + 5x^2 + 8#

Next, group like terms:

#3x^2 + 5x^2 - 4 + 8#

Now, combine like terms:

#(3 + 5)x^2 + (-4 + 8)#

#8x^2 + 4#