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Let’s check out your problem:
Solve for
m
m
m
.
\newline
3
−
m
=
−
2
m
\sqrt{3 - m} = \sqrt{-2m}
3
−
m
=
−
2
m
\newline
m
=
m =
m
=
_____
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Math Problems
Precalculus
Solve radical equations
Full solution
Q.
Solve for
m
m
m
.
\newline
3
−
m
=
−
2
m
\sqrt{3 - m} = \sqrt{-2m}
3
−
m
=
−
2
m
\newline
m
=
m =
m
=
_____
Square both sides:
Square both sides of the equation to eliminate the square roots.
\newline
(
3
−
m
)
2
=
(
−
2
m
)
2
(\sqrt{3 - m})^2 = (\sqrt{-2m})^2
(
3
−
m
)
2
=
(
−
2
m
)
2
\newline
3
−
m
=
−
2
m
3 - m = -2m
3
−
m
=
−
2
m
Add
m
m
m
terms:
Add
m
m
m
to both sides to get all the
m
m
m
terms on one side.
\newline
3
−
m
+
m
=
−
2
m
+
m
3 - m + m = -2m + m
3
−
m
+
m
=
−
2
m
+
m
\newline
3
=
−
m
3 = -m
3
=
−
m
Multiply by
−
1
-1
−
1
:
Multiply both sides by
−
1
-1
−
1
to solve for
m
m
m
.
−
1
×
3
=
−
1
×
(
−
m
)
-1 \times 3 = -1 \times (−m)
−
1
×
3
=
−
1
×
(
−
m
)
−
3
=
m
-3 = m
−
3
=
m
Check solution:
Check the solution by substituting
m
m
m
back into the original equation to ensure both sides are equal.
\newline
3
−
(
−
3
)
=
−
2
(
−
3
)
\sqrt{3 − (-3)} = \sqrt{−2(-3)}
3−
(
−
3
)
=
−2
(
−
3
)
\newline
3
+
3
=
6
\sqrt{3 + 3} = \sqrt{6}
3
+
3
=
6
\newline
6
=
6
\sqrt{6} = \sqrt{6}
6
=
6
More problems from Solve radical equations
Question
What is the domain of this function?
\newline
y
=
x
y = \sqrt{x}
y
=
x
\newline
Choices:
\newline
{
x
∣
x
≥
0
}
\{x|x \geq 0\}
{
x
∣
x
≥
0
}
\newline
{
x
∣
x
≤
0
}
\{x|x \leq 0\}
{
x
∣
x
≤
0
}
\newline
{
x
∣
x
<
0
}
\{x | x < 0\}
{
x
∣
x
<
0
}
\newline
{
x
∣
x
>
0
}
\{x|x>0\}
{
x
∣
x
>
0
}
Get tutor help
Posted 1 year ago
Question
Find the real-number root.
\newline
16
\sqrt{16}
16
\newline
\newline
Write your answer in simplified form.
\newline
_
_
_
_
\_\_\_\_
____
Get tutor help
Posted 1 year ago
Question
Find the real-number root.
\newline
9
16
\sqrt{\frac{9}{16}}
16
9
\newline
Simplify your answer and write it as a decimal or as a proper or improper fraction.
\newline
_
_
_
_
_
\_\_\_\_\_
_____
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Posted 1 year ago
Question
Find the real-number root using a calculator. Round your answer to the nearest thousandth.
\newline
`\sqrt{957} `
\newline
_______
Get tutor help
Posted 1 year ago
Question
Multiply. Write your answer in simplest form.
\newline
273
×
42
\sqrt{273} \times \sqrt{42}
273
×
42
\newline
______
Get tutor help
Posted 1 year ago
Question
Simplify.
\newline
63
4
\sqrt{\frac{63}{4}}
4
63
\newline
______
Get tutor help
Posted 1 year ago
Question
Simplify. Rationalize the denominator.
\newline
−
4
9
−
2
\frac{-4}{9 - \sqrt{2}}
9
−
2
−
4
\newline
______
Get tutor help
Posted 1 year ago
Question
Solve for
z
z
z
.
\newline
16
=
z
16 = \sqrt{z}
16
=
z
\newline
z
=
z =
z
=
_____
Get tutor help
Posted 1 year ago
Question
Solve for
p
p
p
.
\newline
8
=
p
8 = \sqrt{p}
8
=
p
\newline
p
=
p =
p
=
_____
Get tutor help
Posted 1 year ago
Question
Solve for
p
p
p
.
\newline
4
p
=
10
+
3
p
\sqrt{4p} = \sqrt{10 + 3p}
4
p
=
10
+
3
p
\newline
p
=
p =
p
=
_____
Get tutor help
Posted 9 months ago
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