Advertisements
Advertisements
Question
Simplify and find the degree of the following expression.
4x2 – 3x – [8x – (5x2 – 8)]
Advertisements
Solution
4x2 – 3x – [8x – (5x2 – 8)]
= 4x2 – 3x – [8x + – 5x2 + 8)]
= 4x2 – 3x – [8x – 5x2 – 8]
= 4x2 – 3x – 8x + 5x2 – 8
= (4x2 + 5x2) + (– 3x – 8x) – 8
= x2(4 + 5) + x(– 3 – 8) – 8
= x2(9) + x(–11) – 8
= 9x2 – 11x – 8
Hence, the degree of the expression is 2.
APPEARS IN
RELATED QUESTIONS
Degree of the constant term is ______________
Any integer can be the degree of the expression
Find the degree of the following terms.
3z
Find the degree of the following expression.
x3 – 1
Find the degree of the following expression.
3t4 – 5st2 + 7s2t2
Add and find the degree of the following expressions.
(3m2n + 4pq2) and (5nm2 – 2q2p)
Simplify and find the degree of the following expression.
10x2 – 3xy + 9y2 – (3x2 – 6xy – 3y2)
Simplify and find the degree of the following expression.
9a4 – 6a3 – 6a4 – 3a2 + 7a3 + 5a2
If p(x) and q(x) are two expressions of degree 3, then the degree of p(x) + q(x) is
Identify the degree of the expression, 2a3bc + 3a3b + 3a3c – 2a2b2c2
