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anonymous
 5 years ago
solving equations using the zero property and the problem is z^2  10z = 21 (what do I do)
anonymous
 5 years ago
solving equations using the zero property and the problem is z^2  10z = 21 (what do I do)

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Mertsj
 5 years ago
Best ResponseYou've already chosen the best response.2Set equal to 0 and factor.

Mertsj
 5 years ago
Best ResponseYou've already chosen the best response.2z^210z+21=0 (z7)(z3)=0 So z7=0 or z3=0 z=7 or z=3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thank you I did it right then!!!

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how do you do y^2  28 = 0 using the square root property of equality
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