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Let’s check out your problem:
Simplify the rational expression:
\newline
2
q
2
−
q
r
−
3
r
2
2
q
2
−
9
q
r
+
9
r
2
\frac{2q^{2}-qr-3r^{2}}{2q^{2}-9qr+9r^{2}}
2
q
2
−
9
q
r
+
9
r
2
2
q
2
−
q
r
−
3
r
2
\newline
A)
(
q
+
r
)
/
(
k
+
3
r
)
(q+r)/(k+3r)
(
q
+
r
)
/
(
k
+
3
r
)
\newline
B) Cannot be simplified
\newline
C)
(
a
+
r
)
(
q
−
3
r
)
(a+r)(q-3r)
(
a
+
r
)
(
q
−
3
r
)
\newline
D)
(
q
+
r
)
(
q
+
3
r
)
(q+r)(q+3r)
(
q
+
r
)
(
q
+
3
r
)
View step-by-step help
Home
Math Problems
Algebra 2
Simplify rational expressions
Full solution
Q.
Simplify the rational expression:
\newline
2
q
2
−
q
r
−
3
r
2
2
q
2
−
9
q
r
+
9
r
2
\frac{2q^{2}-qr-3r^{2}}{2q^{2}-9qr+9r^{2}}
2
q
2
−
9
q
r
+
9
r
2
2
q
2
−
q
r
−
3
r
2
\newline
A)
(
q
+
r
)
/
(
k
+
3
r
)
(q+r)/(k+3r)
(
q
+
r
)
/
(
k
+
3
r
)
\newline
B) Cannot be simplified
\newline
C)
(
a
+
r
)
(
q
−
3
r
)
(a+r)(q-3r)
(
a
+
r
)
(
q
−
3
r
)
\newline
D)
(
q
+
r
)
(
q
+
3
r
)
(q+r)(q+3r)
(
q
+
r
)
(
q
+
3
r
)
Factor Numerator:
Factor the numerator
2
q
2
−
q
r
−
3
r
2
2q^2 - qr - 3r^2
2
q
2
−
q
r
−
3
r
2
.
\newline
2
q
2
−
q
r
−
3
r
2
=
(
2
q
+
3
r
)
(
q
−
r
)
2q^2 - qr - 3r^2 = (2q + 3r)(q - r)
2
q
2
−
q
r
−
3
r
2
=
(
2
q
+
3
r
)
(
q
−
r
)
Factor Denominator:
Factor the denominator
2
q
2
−
9
q
r
+
9
r
2
2q^2 - 9qr + 9r^2
2
q
2
−
9
q
r
+
9
r
2
.
\newline
2
q
2
−
9
q
r
+
9
r
2
=
(
q
−
3
r
)
(
2
q
−
3
r
)
2q^2 - 9qr + 9r^2 = (q - 3r)(2q - 3r)
2
q
2
−
9
q
r
+
9
r
2
=
(
q
−
3
r
)
(
2
q
−
3
r
)
Write Expression:
Now, write the expression with factored numerator and denominator.
\newline
(
2
q
+
3
r
)
(
q
−
r
)
÷
(
q
−
3
r
)
(
2
q
−
3
r
)
(2q + 3r)(q - r) \div (q - 3r)(2q - 3r)
(
2
q
+
3
r
)
(
q
−
r
)
÷
(
q
−
3
r
)
(
2
q
−
3
r
)
Cancel Common Factors:
Cancel out the common
factors
.
\newline
There are no common factors to cancel out.
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\newline
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\newline
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Simplify. Write your answer using whole numbers and variables.
\newline
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\newline
g
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10
g
3
+
25
g
2
g
−
1
÷
(
g
−
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)
\newline
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\newline
5
−
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\newline
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