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Byju's Answer
Standard VIII
Mathematics
Factorisation by Common Factors
10x2 + 15x + ...
Question
10
x
2
+
15
x
+
63
5
x
2
−
25
x
+
12
=
2
x
+
3
x
−
5
Open in App
Solution
10
x
2
+
15
x
+
63
5
x
2
−
25
x
+
12
=
2
x
+
3
(
x
−
5
)
⇒
10
x
3
−
50
x
2
+
15
x
2
−
75
x
+
63
x
−
315
=
(
10
x
3
−
50
x
2
+
24
x
+
15
x
2
−
75
x
+
36
)
⇒
10
x
3
−
10
x
3
−
50
x
2
+
50
x
2
+
15
x
2
−
15
x
2
−
75
x
+
75
x
+
63
x
−
24
x
=
351
⇒
39
x
=
351
∴
x
=
9
Suggest Corrections
1
Similar questions
Q.
Solve
10
x
2
+
15
x
+
63
5
x
2
−
25
x
+
12
=
2
x
+
3
x
−
5
Q.
Solve the equation:
10
x
2
+
15
x
+
63
5
x
2
−
25
x
+
12
=
2
x
+
3
x
−
5
Q.
Solve the following equations.
(i)
x
2
+
12
x
-
20
3
x
-
5
=
x
2
+
8
x
+
12
2
x
+
3
(ii)
10
x
2
+
15
x
+
63
5
x
2
-
25
x
+
12
=
2
x
+
3
x
-
5
(iii)
2
x
+
1
2
+
2
x
-
1
2
2
x
+
1
2
-
2
x
-
1
2
=
17
8
(iv)
4
x
+
1
+
x
+
3
4
x
+
1
-
x
+
3
=
4
1
(v)
4
x
+
1
2
+
2
x
+
3
2
4
x
2
+
12
x
+
9
=
61
36
(vi)
3
x
-
4
3
-
x
+
1
3
3
x
-
4
3
+
x
+
1
3
=
61
189
Q.
10
x
2
+
15
x
+
63
5
x
2
-
25
+
12
=
2
x
+
3
x
-
5
Q.
(
25
x
5
−
15
x
4
)
÷
5
x
3
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