172
You visited us
172
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Other
Quantitative Aptitude
Equations
Find the root...
Question
Find the roots of the equation
3
x
2
+
7
x
−
20
=
0
by the method of completing square?
Open in App
Solution
3
x
2
+
7
x
−
20
=
0
(
√
3
x
)
2
+
2
(
√
3
x
)
(
7
2
√
3
)
+
(
7
2
√
3
)
2
−
(
7
2
√
3
)
2
−
20
=
0
(
√
3
x
+
7
2
√
3
)
2
−
49
12
−
20
=
0
(
√
3
x
+
7
2
√
3
)
2
−
(
49
+
240
12
)
=
0
(
√
3
x
+
7
2
√
3
)
2
−
289
12
=
0
(
√
3
x
+
7
2
√
3
)
2
−
(
17
√
12
)
2
=
0
(
√
3
x
+
7
2
√
3
+
17
√
12
)
(
√
3
x
+
7
2
√
3
−
17
√
12
)
=
0
Suggest Corrections
0
Similar questions
Q.
Find the roots by method of completing the square:
3
x
2
– 7x – 20 = 0.
Q.
Find the roots of equation by completing the square method:
3
x
2
−
12
q
x
+
12
q
2
=
0
Q.
Find the roots of the equations by the method of completing the square.
x
2
+
7
x
−
6
=
0
Q.
Find the roots of the following quadratic equation, by the method of completing the square:
2
x
2
−
7
x
+
3
=
0
[3 Marks]
Q.
Check whether the equation
6
x
2
−
7
x
+
2
=
0
has real roots. If it has, find them by method of completing square.
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Equations
QUANTITATIVE APTITUDE
Watch in App
Explore more
Equations
Other Quantitative Aptitude
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app