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Byju's Answer
Standard VIII
Mathematics
Factorisation by Common Factors
Find the fact...
Question
Find the factors.
(4) 5x
2
+ 21xy −20y
2
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Solution
The factors of 5x
2
+ 21xy −20y
2
are:
5
x
2
+
21
x
y
-
20
y
2
=
5
x
2
+
25
x
y
-
4
x
y
-
20
y
2
=
5
x
x
+
5
y
-
4
y
x
+
5
y
=
x
+
5
y
5
x
-
4
y
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Similar questions
Q.
Factorize:
x
2
−
x
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−
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y
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Q.
Find the factors of the expression
x
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−
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Q.
Factorise
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using factor theorem
Q.
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(
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then find the other factors using synthetic division.
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