penelopymorales24
04.11.2019 •
Mathematics
Ill give brainliest and explain the answer too,
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Answers on questions: Mathematics
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Ответ:
8x²+19x+3
Step-by-step explanation:
You add together the like terms. In this problem, 3x² and 5x² are like terms, so you add them together to get 8x². 7x and 12x are like terms, add them to get 19x. 3 does not have any like terms so you dont do anything to it.
Ответ:
Because -6x+18<30
(-18)
-6x<12
(divide by -6)
x< -2