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klimenkol21
@klimenkol21
July 2022
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Помогите решить:
1)(z-1)·(z+4)
2)(b+4)·(c+5)
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9Lucky
1. z^2+4z-z-4=z^2+3z-4
По теореме Виета:
z1+z2=-3 z1=1
z1*z2=-4 z2=-4
2.bc+5b+4c+20
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Answers & Comments
По теореме Виета:
z1+z2=-3 z1=1
z1*z2=-4 z2=-4
2.bc+5b+4c+20