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Byju's Answer
Standard VII
Mathematics
Number Properties (Language)
Find the prod...
Question
Find the product:
(2x + 3y − 5)(x + y)
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Solution
(
2
x
+
3
y
-
5
)
(
x
+
y
)
=
2
x
×
(
x
+
y
)
+
3
y
×
(
x
+
y
)
-
5
×
(
x
+
y
)
=
(
2
x
×
x
+
2
x
×
y
)
+
(
3
y
×
x
+
3
y
×
y
)
-
(
5
×
x
+
5
×
y
)
=
2
x
2
+
2
x
y
+
3
y
x
+
3
y
2
-
5
x
-
5
y
=
2
x
2
+
5
x
y
-
5
x
-
5
y
+
3
y
2
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0
Similar questions
Q.
Solve
2
x
+
y
=
−
4
;
3
y
=
5
x
−
1
.Find value of |x| and y.
Q.
The lines are
y
=
5
x
−
3
;
y
=
4
−
2
x
;
2
x
+
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y
=
8
Q.
Simplify:
[
{
5
x
−
(
x
+
3
y
)
}
−
{
x
+
(
2
x
−
y
)
}
]
Q.
The given lines
y
=
5
x
−
3
;
y
=
4
−
2
x
; and
2
x
+
3
y
=
8
are
Q.
Minimize Z = 5x + 3y
Subject to
2
x
+
y
≥
10
x
+
3
y
≥
15
x
≤
10
y
≤
8
x
,
y
≥
0
