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Byju's Answer
Standard X
Mathematics
Solving QE Using Quadratic Formula When D>0
Solve the fol...
Question
Solve the following quadratic equation by factorization, whole no root is:
7
x
+
3
x
=
35
3
5
Open in App
Solution
7
x
+
3
x
=
35
3
5
⇒
7
x
+
3
x
=
178
5
⇒
35
x
2
+
15
=
178
x
⇒
35
x
2
−
178
x
+
15
=
0
⇒
35
x
2
−
175
x
−
3
x
+
15
=
0
⇒
35
x
(
x
−
5
)
−
3
(
x
−
5
)
=
0
⇒
(
x
−
5
)
(
35
x
−
3
)
=
0
⇒
x
−
5
=
0
and
35
x
−
3
=
0
⇒
x
=
5
and
x
=
3
35
∴
Here, we can see whole number root is
5
.
Suggest Corrections
0
Similar questions
Q.
Solve the following quadratic equation by factorization , the roots are:
−
2
,
1
4
x
−
3
=
5
2
x
+
3
,
x
≠
0
,
−
3
2
Q.
Solve the following quadratic equation by factorization, the roots are
0
,
1
3
(
7
x
+
1
5
x
−
3
)
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(
5
x
−
3
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x
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≠
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Q.
After Solving the following quadratic equation by factorization, the roots are(approx nearest whole no) to 6.
(x - 5)(x - 6) =
25
(
24
)
2
Q.
Solve the following quadratic equation by factorization, the roots are :
−
1
,
−
5
x
+
3
x
+
2
=
3
x
−
7
2
x
−
3
Q.
Solve the following quadratic equation by factorization :
5
+
x
5
−
x
−
5
−
x
5
+
x
=
3
3
4
;
x
≠
5
,
−
5
The roots are
3
,
−
25
3
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