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How do you add #(4x^7+8x^2+20x) + (10x^6+4x^3-14x^2)#?

Answer 1

Eli Assouline

See a solution process below:

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

#4x^7 + 8x^2 + 20x + 10x^6 + 4x^3 - 14x^2#

Next, group like terms:

#4x^7 + 10x^6 + 4x^3 + 8x^2 - 14x^2 + 20x#

Now, combine like terms:

#4x^7 + 10x^6 + 4x^3 + (8 - 14)x^2 + 20x#

#4x^7 + 10x^6 + 4x^3 + (-6)x^2 + 20x#

#4x^7 + 10x^6 + 4x^3 - 6x^2 + 20x#

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Answer 2

Savannah Anderson

4x^7 + 10x^6 + 8x^3 - 6x^2 + 20x

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.