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Mylee Church
Mathematics
18 November, 15:44
What is the factored form of
z^2 - 2z - 3
+2
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Sidney Morrison
18 November, 15:50
0
Z = 3 and z=-1
D = b^2 - 4ac = 4
z1 = (-b+D) / 2a = (2+4) / 2x1 = 3
z2 = (-b-D) / 2a = (2-4) / 2x1 = - 1
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Jenny Eaton
18 November, 15:55
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z=1 z=-3
Step-by-step explanation:
take z^2 times it to - 3 then factor for - 2 and reverse the answer
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