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Byju's Answer
Standard IX
Mathematics
(x±a)(x±b) = x²±(a+b)x+ab.
8 a3+27 b+64 ...
Question
8a
3
+ 27b+ 64c
3
-
72abc
Open in App
Solution
8
a
3
+
27
b
3
+
64
c
3
-
72
a
b
c
=
2
a
3
+
3
b
3
+
4
c
3
-
3
×
2
a
×
3
b
×
4
c
=
2
a
+
3
b
+
4
c
2
a
2
+
3
b
2
+
4
c
2
-
2
a
×
3
b
-
3
b
×
4
c
-
4
c
×
2
a
=
2
a
+
3
b
+
4
c
4
a
2
+
9
b
2
+
16
c
2
-
6
a
b
-
12
b
c
-
8
c
a
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0
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Q.
Factorise using suitable identity:
8
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Factorize the given equation :
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Factorise the polynomial
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(x±a)(x±b) = x²±(a+b)x+ab.
Standard IX Mathematics
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