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Let’s check out your problem:
Find the binomial that completes the factorization.
\newline
q
3
+
64
=
(
‾
)
(
q
2
−
4
q
+
16
)
q^3 + 64 = (\underline{\hspace{3em}})(q^2 - 4q + 16)
q
3
+
64
=
(
)
(
q
2
−
4
q
+
16
)
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Math Problems
Algebra 2
Factor sums and differences of cubes
Full solution
Q.
Find the binomial that completes the factorization.
\newline
q
3
+
64
=
(
‾
)
(
q
2
−
4
q
+
16
)
q^3 + 64 = (\underline{\hspace{3em}})(q^2 - 4q + 16)
q
3
+
64
=
(
)
(
q
2
−
4
q
+
16
)
Recognize Perfect Cube:
Recognize that
64
64
64
is a perfect cube,
64
=
4
3
64 = 4^3
64
=
4
3
.
Use Sum of Cubes Formula:
Use the sum of cubes formula:
a
3
+
b
3
=
(
a
+
b
)
(
a
2
−
a
b
+
b
2
)
a^3 + b^3 = (a + b)(a^2 - ab + b^2)
a
3
+
b
3
=
(
a
+
b
)
(
a
2
−
ab
+
b
2
)
.
Identify
a
a
a
and
b
b
b
:
Identify
a
=
q
a = q
a
=
q
and
b
=
4
b = 4
b
=
4
, since
q
3
+
64
q^3 + 64
q
3
+
64
can be written as
q
3
+
4
3
q^3 + 4^3
q
3
+
4
3
.
Plug into Formula:
Plug
a
a
a
and
b
b
b
into the sum of cubes formula:
q
3
+
4
3
=
(
q
+
4
)
(
q
2
−
q
⋅
4
+
4
2
)
q^3 + 4^3 = (q + 4)(q^2 - q\cdot 4 + 4^2)
q
3
+
4
3
=
(
q
+
4
)
(
q
2
−
q
⋅
4
+
4
2
)
.
Simplify Binomial and Trinomial:
Simplify the binomial and trinomial:
(
q
+
4
)
(
q
2
−
4
q
+
16
)
(q + 4)(q^2 - 4q + 16)
(
q
+
4
)
(
q
2
−
4
q
+
16
)
.
More problems from Factor sums and differences of cubes
Question
Factor out the greatest common factor. If the greatest common factor is
1
1
1
, just retype the polynomial.
\newline
4
x
3
−
6
x
2
4x^3 - 6x^2
4
x
3
−
6
x
2
\newline
______
Get tutor help
Posted 9 months ago
Question
Factor
x
4
+
8
x
2
+
16
x^4 + 8x^2 + 16
x
4
+
8
x
2
+
16
completely.
\newline
All factors in your answer should have integer coefficients.
\newline
______
Get tutor help
Posted 9 months ago
Question
Find the binomial that completes the factorization.
\newline
t
3
+
u
3
=
(
‾
)
(
t
2
−
t
u
+
u
2
)
t^3 + u^3 = (\underline{\hspace{1cm}}) (t^2 - tu + u^2)
t
3
+
u
3
=
(
)
(
t
2
−
t
u
+
u
2
)
Get tutor help
Posted 9 months ago
Question
Factor.
\newline
g
2
−
11
g
+
18
g^2 - 11g + 18
g
2
−
11
g
+
18
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Posted 9 months ago
Question
Factor.
\newline
2
y
3
−
y
2
+
16
y
−
8
2y^3 - y^2 + 16y - 8
2
y
3
−
y
2
+
16
y
−
8
\newline
______
\newline
Get tutor help
Posted 9 months ago
Question
Factor.
\newline
2
x
8
+
7
x
2
2x^8 + 7x^2
2
x
8
+
7
x
2
\newline
______
Get tutor help
Posted 10 months ago
Question
Factor.
\newline
9
y
12
+
4
y
5
−
y
2
9y^{12} + 4y^5 - y^2
9
y
12
+
4
y
5
−
y
2
\newline
______
Get tutor help
Posted 9 months ago
Question
Factor.
\newline
6
a
4
+
3
a
3
−
a
+
2
6a^4 + 3a^3 - a + 2
6
a
4
+
3
a
3
−
a
+
2
\newline
_____
Get tutor help
Posted 9 months ago
Question
Factor.
\newline
4
c
7
−
2
c
5
+
c
2
−
5
4c^7 - 2c^5 + c^2 - 5
4
c
7
−
2
c
5
+
c
2
−
5
\newline
_____
Get tutor help
Posted 9 months ago
Question
Factor.
\newline
7
m
9
+
2
m
6
−
m
3
+
4
m
−
10
7m^9 + 2m^6 - m^3 + 4m - 10
7
m
9
+
2
m
6
−
m
3
+
4
m
−
10
\newline
_____
Get tutor help
Posted 9 months ago
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