b) Factorize 25x²-49y?
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Answers
Answered by
0
Answer:
answer is the Factor 25x^2-49y^2
Answered by
2
Answer:
25
x
2
−
49
y
2
Rewrite
25
x
2
as
(
5
x
)
2
.
(
5
x
)
2
−
49
y
2
Rewrite
49
y
2
as
(
7
y
)
2
.
(
5
x
)
2
−
(
7
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
=
5
x
and
b
=
7
y
.
(
5
x
+
7
y
)
(
5
x
−
(
7
y
)
)
Multiply
7
by
−
1
.
(
5
x
+
7
y
)
(
5
x
−
7
y
)
Step-by-step explanation:
Hope it helps you ☺️
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