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kapisterinskayakatya
@kapisterinskayakatya
June 2022
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помогите решить уравнение пожалуйста
9y²-9=0,
2x²+6x=0,
2x²=0
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ShirokovP
Verified answer
9y^2 - 9 = 0
9y^2 = 9
y^2 = 1
y = ± 1
2x^2 + 6x = 0 /:2
x^2 + 3x = 0
x (x + 3) = 0
x = 0;
x + 3 = 0 ==> x = - 3
2x^2 = 0
x^2 = 0
x = 0
1 votes
Thanks 1
kapisterinskayakatya
помогите решить уравнение
1)x(3x-9)=0,
2)(x-2)(x+1)=0
botashka170417
Verified answer
9у^2-9=0
9у^2=9
у^2=1
х1=-1,
Х2=1
2х^2+6х=0
2х(х+3)=0
2х=0,х+3=0
Х=0,х=-3
2х^2=0
Х=0
1 votes
Thanks 1
kapisterinskayakatya
помогите решить уравнение
1)x(3x-9)=0,
2)(x-2)(x+1)=0
botashka170417
1)х=0,3х-9=0
botashka170417
3х=9,х=3
botashka170417
2)х-2=0,х=2, х+1=0,х=-1
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Answers & Comments
Verified answer
9y^2 - 9 = 09y^2 = 9
y^2 = 1
y = ± 1
2x^2 + 6x = 0 /:2
x^2 + 3x = 0
x (x + 3) = 0
x = 0;
x + 3 = 0 ==> x = - 3
2x^2 = 0
x^2 = 0
x = 0
1)x(3x-9)=0,
2)(x-2)(x+1)=0
Verified answer
9у^2-9=09у^2=9
у^2=1
х1=-1,
Х2=1
2х^2+6х=0
2х(х+3)=0
2х=0,х+3=0
Х=0,х=-3
2х^2=0
Х=0
1)x(3x-9)=0,
2)(x-2)(x+1)=0