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Demmonz
@Demmonz
June 2022
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х-5 * корень из х=-6
Решите уравнение )
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karihmarina
X-5*sqrtx=-6
x-5sqrtx+6=0 sqrtx=t
t^2-5t+6=0
x1=2 x2=3
sqrtx=2 sqrtx=3
x=4 x=9
проверка:
4-5*2+6=0 9-5*3+6=0
10-10=0 15-15=0
0=0 0=0
ответ: x=4; х=9
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Answers & Comments
x-5sqrtx+6=0 sqrtx=t
t^2-5t+6=0
x1=2 x2=3
sqrtx=2 sqrtx=3
x=4 x=9
проверка:
4-5*2+6=0 9-5*3+6=0
10-10=0 15-15=0
0=0 0=0
ответ: x=4; х=9