3/8x17x17x17 70
• 3/700x 2 x 49×5 17
Answers
Answered by
1
Answer:
(
x
−
5
)
2
=
49
We know that
49
=
7
2
and
49
=
−
7
2
Find the square-root of both sides:
x
−
5
=
±
7
When
x
−
5
=
7
Add
5
to both sides:
x
−
5
+
5
=
7
+
5
x
=
12
When
x
−
5
=
−
7
Add
5
to both sides:
x
−
5
+
5
=
−
7
+
5
x
=
−
2
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