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23-02-2022
Mathematics

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n=2d²-5 when d=-2 what does n=?

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MathWiz0001 MathWiz0001

23-02-2022

Step-by-step explanation:

Substitute d=-2 into the equation:

[tex]n = 2( - 2)^{2} - 5[/tex]

Include the exponent:

[tex]n = 2(4) - 5[/tex]

Multiply:

[tex]n = 8 - 5[/tex]

Subtract:

[tex]n = 3[/tex]

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