aewilliams7 aewilliams7

21-05-2018
Mathematics

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Evaluate 6x^2+12x-18 when x=-1 (please show steps to solution)

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st4rgrl st4rgrl

21-05-2018

All you have to do for this is substitute all the x's in the equation for -1.

6x²+12x-18

6(-1)²+12(-1)-18
6(1)+(-12)-18
6+(-12)-18
6+-30
-24

The answer is -24, I hope this helps.

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