6(2x² - 5) = [?] x = -3

asked Feb 13, 2023 80.2k views

0 votes

6(2x² - 5) = [?]
x = -3

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4 votes

=6(2(-3)^2-5)
=6(2*9-5)
=6(18-5)
=6*13
=78

Ritikesh answered Feb 15, 2023

3.4k points

6 votes

x = -3

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

Gary Brunton answered Feb 18, 2023

3.6k points

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