27-03-2017
Mathematics

contestada

evaluate the expression when c=-6
c^2+7c-5

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emcsquared emcsquared

27-03-2017

-5.16666667
first you have to subtract c from both sides.
0=-6^2+6c-5
0=36+6c-5
0=31+6c
then subtract 31 from both sides.
-31=6c
then -31 divided by 6

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