Решите уравнение:(x-2)(x^2+2x+1)=4(x+1). Created by KekuS322. matematika-ru

Решите уравнение:(x-2)(x^2+2x+1)=4(x+1)...

KekuS322 @KekuS322

July 2022 1 6 Report

Решите уравнение:(x-2)(x^2+2x+1)=4(x+1)

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yellok

Verified answer

(x-2)(x²+2x+1)=4(x+1)
(x-2)(x+1)²-4(x+1)=0
(x+1)((x-2)(x+1)-4))=0 ⇒ x+1=0 или (x-2)(x+1)-4)=0 ⇒x=-1 или x²-x-6=0
D=1+4*6=25
x(1)=(1+5)/2=3
x(2)=(1-5)/2=-2
ответ: x= -1, x= -2, x=3

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nazvat znachenie morej tihogo okeana dlya razvitiya hozyajstva dalnego vostoka

m2...

vozmozhno li podzhech cheshuyu

stavitsya li tire mezhdu eto vinni puh ili net

ch dvigateli elektropoezda potreblyayut pri etom moshnost 900 kvt opredelite silu

s v kakoj moment skorost budet napravlena pod uglom 45 gradusov k gorizontu

na pruzhine imeyushej dlinu 50 sm podveshen gruz kotoryj rastyagivaet pruzhinku na

mozhno li skazat etot spektakl podhodit pod repertuar takogo to

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