Ответ:
1)(x-7)²=49
x-7=±√49
x-7=±7⇒x1=14,x2=0.
2)(6+y)²=81
6+y=±√81
6+y=±9 ⇒y1=3,y2=-15.
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Verified answer
Ответ:
Ответ:
Verified answer
1)(x-7)²=49
x-7=±√49
x-7=±7⇒x1=14,x2=0.
2)(6+y)²=81
6+y=±√81
6+y=±9 ⇒y1=3,y2=-15.