24-11-2020
Mathematics

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Find the value of 5a2−2a−10 if a=−6

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24-11-2020

Hi there!

[tex]\large\boxed{182}[/tex]

Equation:

5a² - 2a - 10 for a = -6.

Evaluate by plugging in -6 for a:

5(-6)² - 2(-6) - 10 =

5(36) - (-12) - 10 =

180 + 12 - 10 = 182.

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