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Rashid [163]
3 years ago
12

Which expression is equal to 5(2x^2-1)+3(7x^2+1)

Mathematics
1 answer:
vitfil [10]3 years ago
4 0

Answer:

31x² - 2

Step-by-step explanation:

5(2x²-1)+3(7x²+1) = 5*2x² - 5*1 + 3*7x² + 3 = 10x² - 5 + 21x² + 3 = 31x² - 2

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3 years ago
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8 0
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