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maskedman333
@maskedman333
July 2022
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(х-12)(х+2)-(х-3)(х+3)=5
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х^2+2x-12x-24-(x^2-9)=5
x^2+2x-12x-24-x^2+9=5
-10x-15=5
-10x=5+15
-10x=20
x=-2
Ответ: - 2
2 votes
Thanks 2
Dulatovnaaa
(х-12)(х+2)-(х-3)(х+3)=5
х²+2х-12х-24-(х²+3х-3х-9)=5
х²+2х-12х-24-х²-3х+3х+9=5
-10х-15=5
-10х=20
х=-2
ответ: -2
1 votes
Thanks 1
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Answers & Comments
х^2+2x-12x-24-(x^2-9)=5
x^2+2x-12x-24-x^2+9=5
-10x-15=5
-10x=5+15
-10x=20
x=-2
Ответ: - 2
х²+2х-12х-24-(х²+3х-3х-9)=5
х²+2х-12х-24-х²-3х+3х+9=5
-10х-15=5
-10х=20
х=-2
ответ: -2