2.
Find the binomial which is a
common factor of a2 - 4b2
and a2 - 4ab + b2
Answers
Answered by
2
Step-by-step explanation:
We can Split the Middle Term of this expression to factorise it.
a
2
−
4
a
b
+
4
b
2
=
a
2
−
2
a
b
−
2
a
b
+
4
b
2
=
a
(
a
−
2
b
)
−
2
b
(
a
−
2
b
)
(
a
−
2
b
)
is a common factor to each of the terms
=
(
a
−
2
b
)
(
a
−
2
b
)
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