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Let’s check out your problem:
Factor.
\newline
16
u
2
−
8
u
+
1
16u^2 - 8u + 1
16
u
2
−
8
u
+
1
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Math Problems
Algebra 1
Factor quadratics: special cases
Full solution
Q.
Factor.
\newline
16
u
2
−
8
u
+
1
16u^2 - 8u + 1
16
u
2
−
8
u
+
1
Recognize form of expression:
Recognize the quadratic expression is in the form of
a
x
2
+
b
x
+
c
ax^2 + bx + c
a
x
2
+
b
x
+
c
.
Find multiplying and adding numbers:
Look for two numbers that multiply to
a
c
ac
a
c
(
16
×
1
=
16
16 \times 1 = 16
16
×
1
=
16
) and add to
b
b
b
(
−
8
-8
−
8
).
Identify correct numbers:
The numbers that work are
−
4
-4
−
4
and
−
4
-4
−
4
because
−
4
×
−
4
=
16
-4 \times -4 = 16
−
4
×
−
4
=
16
and
−
4
+
−
4
=
−
8
-4 + -4 = -8
−
4
+
−
4
=
−
8
.
Write quadratic as
(
4
u
−
1
)
2
(4u - 1)^2
(
4
u
−
1
)
2
:
Write the quadratic as
(
4
u
−
1
)
2
(4u - 1)^2
(
4
u
−
1
)
2
because
(
4
u
−
1
)
(
4
u
−
1
)
(4u - 1)(4u - 1)
(
4
u
−
1
)
(
4
u
−
1
)
gives
16
u
2
−
8
u
+
1
16u^2 - 8u + 1
16
u
2
−
8
u
+
1
.
Check factored form:
Check the factored form by expanding
(
4
u
−
1
)
(
4
u
−
1
)
(4u - 1)(4u - 1)
(
4
u
−
1
)
(
4
u
−
1
)
to ensure it equals the original expression.
More problems from Factor quadratics: special cases
Question
Find the greatest common factor.
\newline
9
v
3
,
6
v
3
9v^3, 6v^3
9
v
3
,
6
v
3
\newline
\newline
Write your answer as a constant times a product of single variables raised to exponents.
\newline
‾
\underline{\hspace{1cm}}
Get tutor help
Posted 9 months ago
Question
Factor out the greatest common factor. If the greatest common factor is
1
1
1
, just retype the polynomial.
\newline
6
x
3
+
9
x
2
6x^3 + 9x^2
6
x
3
+
9
x
2
\newline
______
Get tutor help
Posted 9 months ago
Question
Factor.
\newline
k
2
+
9
k
+
18
k^2 + 9k + 18
k
2
+
9
k
+
18
\newline
______
Get tutor help
Posted 9 months ago
Question
Factor.
\newline
9
j
2
−
16
9j^2 - 16
9
j
2
−
16
\newline
______
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Posted 9 months ago
Question
Factor.
\newline
j
3
+
2
j
2
+
5
j
+
10
j^3 + 2j^2 + 5j + 10
j
3
+
2
j
2
+
5
j
+
10
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Posted 9 months ago
Question
Factor
x
4
+
6
x
2
+
9
x^4 + 6x^2 + 9
x
4
+
6
x
2
+
9
completely.
\newline
All factors in your answer should have integer coefficients.
\newline
______
Get tutor help
Posted 1 year ago
Question
Factor.
\newline
z
2
+
13
z
+
22
z^2 + 13z + 22
z
2
+
13
z
+
22
\newline
______
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Posted 1 year ago
Question
Simplify the expression:
\newline
5
x
+
9
x
−
4
x
−
2
x
5x + 9x - 4x - 2x
5
x
+
9
x
−
4
x
−
2
x
\newline
______
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Posted 1 year ago
Question
3
−
3
2
3 - 3^2
3
−
3
2
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Posted 1 year ago
Question
5
−
5
2
5 - 5^2
5
−
5
2
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Posted 1 year ago
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