junellatim junellatim

13-08-2017
Mathematics

contestada

evaluate the following expression for x=4 4(x-2)^2-9

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Banabanana Banabanana

13-08-2017

4(x - 2)² - 9
= 4(4-2)² - 9
= 4(2)² - 9
= 4*4 - 9
= 16 - 9
= 7 ← answer

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