Factorise the following polynomial 13. 5x+10y-7(x+2y)²
-
Subject:
Math -
Author:
cindyjensen -
Created:
1 year ago
Answers 2
Step-by-step explanation:
We have
5
x
+
10
y
−
7
(
x
+
2
y
)
2
=
5
(
x
+
2
y
)
−
7
(
x
+
2
y
)
2
[Taking
5
as common]
=
(
x
+
2
y
)
[
5
−
7
(
x
+
2
y
)
]
[Taking
(
x
+
2
y
)
as common from both terms]
=
(
x
+
2
y
)
(
5
−
7
x
−
14
y
)
-
Author:
giaojxj
-
Rate an answer:
4
Answer:
We have
5
x
+
10
y
−
7
(
x
+
2
y
)
2
=
5
(
x
+
2
y
)
−
7
(
x
+
2
y
)
2
[Taking
5
as common]
=
(
x
+
2
y
)
[
5
−
7
(
x
+
2
y
)
]
[Taking
(
x
+
2
y
)
as common from both terms]
=
(
x
+
2
y
)
(
5
−
7
x
−
14
y
)
-
Author:
jamaridoyle
-
Rate an answer:
0
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