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MariettaO [177]
3 years ago
12

Find the sum.

Mathematics
1 answer:
Assoli18 [71]3 years ago
5 0
Since you cannot add numbers which have x to the power of something and normal x, A and B are incorrect. C is also incorrect because I don't even know how you could get that number.
D is correct.
(14x2 + 7x) + 9x2 - you don't even need the brackets, so
14x2 + 7x + 9x2 
(14x2 + 9x2) + 7x
23x2 + 7x
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Nadusha1986 [10]

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