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Mathematics
Rowan Lee
10 May, 19:23
5 (x+7) ^2=245
find the steps
+5
Answers (
1
)
Aracely Ibarra
10 May, 21:58
0
0,-14
Step-by-step explanation:
5 (x+7) ²=245
divide both sides by 5
(x+7) ²=49
Taking the square root of both sides
x+7=±7
Either x+7=7
subtract 7 from both sides
x+7-7=7-7
x=0
or
x+7=-7
subtract 7 from both sides
x+7-7=-7-7
x=-14
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