Factorise:
28x2-63y2
Answers
Answered by
0
Answer:
Since both terms are perfect squares, factor using the difference of squares formula,
a
2
−
b
2
=
(
a
+
b
)
(
a
−
b
)
where
a
=
2
x
and
b
=
3
y
.
7
(
2
x
+
3
y
)
(
2
x
−
3
y
)
Answered by
3
Step-by-step explanation:
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