х^2+2х-35=0 х^2-х-42=0...

12345949 @12345949

July 2022 1 6 Report

х^2+2х-35=0
х^2-х-42=0

Answers & Comments

anmih

Verified answer

Х²+2х-35=0
Д=4+140=144=12²
х(1)=(-2+12)/2=5
х(2)=(-2-12)/2=-7

х²-х-42=0
Д=1+168=169=13²
х(1)=(1+13)/2=7
х(2)=(1-13)/2=-6

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