-c^2z +cz +c when c=-1

Magnus Engdal asked Nov 28, 2023

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Magnus Engdal asked Nov 28, 2023

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11 votes

-c² z +cz + c

when c= -1

substitute c = -1 in the expression given

-(-1)²z + (-1)z + (-1)

-z -z -1

= - 2z - 1

=-(2z+ 1)

FlKo answered Dec 3, 2023

by FlKo

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