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Answers
Answered by
3
Given,
25
a
2
−
35
a
+
12
By splitting the middle term, we get:
25
a
2
−
15
a
–
20
a
+
12
=
5
a
(
5
a
–
3
)
–
4
(
5
a
–
3
)
=
(
5
a
–
3
)
(
5
a
–
4
)
Hence, possible length
=
5
a
–
3
Possible breadth
=
5
a
–
4
(ii) Area
=
35
y
2
+
13
y
–
12
Answer: Given,
35
y
2
+
13
y
–
12
By splitting the middle term, we get:
=
35
y
2
+
28
y
–
15
y
–
12
=
7
y
(
5
y
+
4
)
–
3
(
5
y
+
4
)
=
(
5
y
+
4
)
(
7
y
–
3
)
Hence, possible length
=
5
y
+
4
Possible breadth
=
7
y
–
3
priya6386:
tysm
Answered by
3
Question:
Area : 25a² -35a + 12
area 35y2+13y-12
Answer:
- (25a²–20a+4)(5a-2)² is the factor so 5a-2 is the length of the side
- Given Area = 35y^2 + 13y - 12 = 35y^2 + 28y - 15y - 12 = 7y(5y + 4) - 3(5y + 4) = (7y - 3)(5y + 4) Therefore, the possible length and breadth
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