Que.6 Factorise
18x^2 - 50y^2
Answers
Answered by
6
Answer:
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Algebra Examples
Popular Problems Algebra Factor 18x^2-50y^2
18
x
2
−
50
y
2
Factor
2
out of
18
x
2
−
50
y
2
.
2
(
9
x
2
−
25
y
2
)
Rewrite
9
x
2
as
(
3
x
)
2
.
2
(
(
3
x
)
2
−
25
y
2
)
Rewrite
25
y
2
as
(
5
y
)
2
.
2
(
(
3
x
)
2
−
(
5
y
)
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
=
5
y
.
2
(
(
3
x
+
5
y
)
(
3
x
−
(
5
y
)
)
)
Answered by
4
Step-by-step explanation:
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