AvisAyars AvisAyars

22-06-2015
Mathematics

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z^2 -10z+24=0 Factor and solve

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Аноним Аноним

22-06-2015

Z^2 -10z+24=0

Factor

( z - 4 ) ( z - 6 ) = 0

z - 4 = 0

z - 6 = 0

z = 4
z = 6

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22-06-2015

[tex]z^2-10z+24=0 \\ z^2-6z-4z+24=0 \\ z(z-6)-4(z-6)=0 \\ (z-4)(z-6)=0 \\ z-4=0 \ \lor \ z-6=0 \\ z=4 \ \lor \ z=6 \\ \boxed{z=4 \hbox{ or } z=6}[/tex]

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