Mathematics, 05.10.2019 22:00 bananaslada

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z^2 + 9z – 90 = (z – 6)(z +■)

a.) -15
b.) 15
c.) 90
d.) -9

Answers: 2

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Complete ☻☺

z^2 + 9z – 90 = (z – 6)(z +■)

a.) -15
b.) 15
c.) 90<...