AvisAyars
AvisAyars
22-06-2015
Mathematics
contestada
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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naǫ
naǫ
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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