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Standard VIII
Maths
Operations on Algebraic Expressions
Question
Add the Given Polynomial.
$$x^{3} - 2x^{2} - 9 ; 5x^{3} + 2x + 9 $$
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Solution
Verified by Toppr
$$(x^{3} - 2x^{3} - 9) + (5x^{3} + 2x + 9)$$
$$=x^{3} + 5x^3 - 2x^{2} + 2x - 9 + 9 $$
$$=6x^{3} - 2x^{2} + 2x$$
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Similar Questions
Q1
Add the given polynomials.
(i)
x
3
-
2
x
2
-
9
;
5
x
3
+
2
x
+
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(ii)
-
7
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4
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m
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(iii)
2
y
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y
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View Solution
Q2
Add the given polynomials
−
x
3
−
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5
x
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x
+
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Q3
Divide the given polynomial by the given monomial.
(
x
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2
x
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x
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÷
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View Solution
Q4
Question 2(iv)
Divide the given polynomial by the given monomial
(
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+
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+
3
x
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÷
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View Solution
Q5
Do the following mathematical operations on the given polynomials.
A. Add:
x
3
−
2
x
2
−
9
a
n
d
5
x
3
+
2
x
+
9
.
B. Subtract:
2
a
b
2
+
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a
2
b
−
4
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f
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o
m
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View Solution