Решите уравнение 1)(2y-1)(1-y)+(y+1)(2y-3)=0 2)(x-1)(x-3)=(x-2)(x+3). Created by radchenkoalinka. matematika-ru

Решите уравнение 1)(2y-1)(1-y)+(y+1)(2y-3)=0 2)(x-1)(x-3)=(x-2)(x+3)...

radchenkoalinka @radchenkoalinka

July 2022 2 5 Report

Решите уравнение
1)(2y-1)(1-y)+(y+1)(2y-3)=0
2)(x-1)(x-3)=(x-2)(x+3)

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Verified answer

2y-2y^2-1+y+2y^2-3y+2y-3=0
сокращаем
2у-4=0
2y=4
y=2

0 votes Thanks 1

Юленька194 1)(2y-1)(1-y)+(y+1)(2y-3)=0
2y-2y²-1+y+2y²-3y+2y-3=0
2y-4=0
2y=4
y=2

2)(x-1)(x-3)=(x-2)(x+3)
x²-3x-x+3=x²+3x-2x-6
-4x+3=x-6
5x=9
x= $\frac{9}{5}$
x= $1 \frac{4}{5}$
x=1,8

2 votes Thanks 0

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