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6(2x² - 5) = [?] x = -3
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39 votes
39 votes
6(2x² - 5) = [?]
x = -3

User Protist
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2 Answers

26 votes
26 votes
=6(2(-3)^2-5)
=6(2*9-5)
=6(18-5)
=6*13
=78
User Recvec
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2.7k points
12 votes
12 votes

x = -3


6( {2x}^(2) - 5) \\ \\ 6(2 * { (- 3)}^(2) - 5) \\ \\ 6(2 * ( 9) - 5) \\ \\ 6( 18 - 5) \\ \\ 6 * ( 13) \\ \\ 78.

User Cnicutar
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