(x-5)*(x+1)=0pppppiiiiiiizzzzzz...

fghhgf1 @fghhgf1

July 2022 1 3 Report

(x-5)*(x+1)=0pppppiiiiiiizzzzzz

Answers & Comments

svetlana1499997 (х-5)*(х+1)=х^2+х-5х-5=х^2-4х-5 Д=4^2-4*1*(-5)=36
х1=(4-6)/2=-1
х2=(4+6)/2=5

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