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16-07-2019
Mathematics

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Find the sum: (3x2 + 5x – 8) + (5x2 - 13x - 5)
OA. 8x2 + 8x - 13
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OB. 8x2 - 8x + 13
C. 8x2 - 8x - 13
D.
8x2 - x - 13

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16-07-2019

Answer:

The correct option is C

Step-by-step explanation:

The expressions are:

=(3x²+5x-8)+(5x²-13x-5)

Open the parenthesis

=3x²+5x-8+5x²-13x-5

Now solve the like terms:

=8x²-8x-13

Thus the correct option is C....

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