1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VIII
Mathematics
Factorisation Using Algebraic Identities
If a = -10,...
Question
If
a
=
−
10
,find the value of
2
a
2
+
3
a
−
4
.
Open in App
Solution
Put
a
=
−
10
Then
2
a
2
+
3
a
−
4
=
2
(
−
10
)
2
+
3
(
−
10
)
−
4
=
166
Suggest Corrections
0
Similar questions
Q.
If
(
3
a
2
+
1
)
−
(
4
+
2
a
2
)
=
0
, find the value of
a
.
Q.
Find the value of '
p
' for which the quadratic equation has equal roots :
2
a
2
+
3
a
+
p
=
0
Q.
Simplify :
a
2
−
16
a
3
−
8
×
2
a
2
−
3
a
−
2
2
a
2
+
9
a
+
4
÷
3
a
2
−
11
a
−
4
a
2
+
2
a
+
4
Q.
Find the value of
a
if,
3
a
4
=
15
4
Q.
If value of
′
a
′
for which the quadratic equation
3
x
2
+
2
(
a
2
+
1
)
x
+
(
a
2
+
3
a
+
2
)
=
0
possesses roots of opposites sign lies in
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
Method of Identities
MATHEMATICS
Watch in App
Explore more
Factorisation Using Algebraic Identities
Standard VIII Mathematics
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