1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VIII
Mathematics
Addition and Subtraction of Algebraic Expression
5x2 + 6x - 3 ...
Question
(
5
x
2
+
6
x
−
3
)
+
(
2
x
2
−
7
x
−
9
)
A
7
x
2
−
x
−
12
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
7
x
2
−
2
x
−
12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
7
x
2
−
3
x
−
12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
None of the above
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
A
7
x
2
−
x
−
12
5
x
2
+
6
x
−
3
+
2
x
2
−
7
x
−
9
–
––––––––––––
–
7
x
2
−
x
−
12
Suggest Corrections
0
Similar questions
Q.
Add
5
x
2
−
7
x
+
3
,
−
8
x
2
+
2
x
−
5
and
7
x
2
−
x
−
2
Q.
Simplify the given equation
(
x
3
−
7
x
2
+
20
x
−
12
)
÷
(
x
−
4
)
(x3−7x2+20x−12)÷(x−4)
.
Q.
Add :
7
x
2
−
4
x
+
5
,
−
3
x
2
+
2
x
−
1
a
n
d
5
x
2
−
x
+
9
Q.
Solve the following equations:
√
2
x
2
+
5
x
−
7
+
√
3
(
x
2
−
7
x
+
6
)
−
√
7
x
2
−
6
x
−
1
=
0
.
Q.
x
4
− 2x
3
− 7x
2
+ 8x + 12