THE FACTORISATION OF x2-9 is
(1)=(x-3)2
Answers
Answered by
2
Answer:
no i will give you the right answer
Step-by-step explanation:
x²-9 = (x-3) (x+3)
Answered by
0
Step-by-step explanation:
Explanation:
x
2
−
9
is a
difference of squares
and in general factorises as
∙
x
a
2
−
b
2
=
(
a
−
b
)
(
a
+
b
)
here
a
=
x
and
b
=
3
⇒
x
2
−
9
=
(
x
−
3
)
(
x
+
3
)
your Answer
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