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TAHK55
@TAHK55
July 2022
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рекешите уравнение (Х-2)^2-2(x+1)^2=(3-x)(3+x)+1
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slife
(х-2)²-2(х+1)²=(3-х)(3+х)+1
х²-4х+4-2(х²+2х+1)=9-х²+1
х²-4х+4-2х²-4х-2=10-х²
-х²-8х+2-10+х²=0
-8х-8=0
8х= -8
х= -1
0 votes
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ewgenijbark
Verified answer
X
^2-4x+4-2x^2-4x-2=9-x^2+1
-8x=10-4+2
-8x=8
x=-1
0 votes
Thanks 0
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Answers & Comments
х²-4х+4-2(х²+2х+1)=9-х²+1
х²-4х+4-2х²-4х-2=10-х²
-х²-8х+2-10+х²=0
-8х-8=0
8х= -8
х= -1
Verified answer
X^2-4x+4-2x^2-4x-2=9-x^2+1-8x=10-4+2
-8x=8
x=-1