Answer:Set the factor '(-1 + x + 4x2)' equal to zero and attempt to solve: Simplifying -1 ... Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'.
bbbbbbSet the factor '(-1 + x + 4x2)' equal to zero and attempt to solve: Simplifying -1 ... Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'.
Set the factor '(-1 + x + 4x2)' equal to zero and attempt to solve: Simplifying -1 ... Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'.
Set the factor '(-1 + x + 4x2)' equal to zero and attempt to solve: Simplifying -1 ... Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'.
Set the factor '(-1 + x + 4x2)' equal to zero and attempt to solve: Simplifying -1 ... Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'.
Set the factor '(-1 + x + 4x2)' equal to zero and attempt to solve: Simplifying -1 ... Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'.
Step-by-step explanation:
Rewrite
9
x
2
as
(
3
x
)
2
.
(
3
x
)
2
−
1
Rewrite
1
as
1
2
.
(
3
x
)
2
−
1
2
Since both terms are perfect squares, factor using the difference of squares formula,
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
where
a
=
3
x
and
b
=
1
.
(
3
x
+
1
)
(
3
x
−
1
)
