Advertisements
Advertisements
Question
Find the sum of: 4x2+ 8xy – 2y2 and 8xy – 5y2 + x2
Advertisements
Solution
4x2+ 8xy – 2y2 and 8xy – 5y2 + x2
4x2+ 8xy – 2y2 + 8xy – 5y2 + x2
= 4x2 + x2 + 8xy + 8xy - 2y2 - 5y2
= 5x2 + 16xy - 7y2
APPEARS IN
RELATED QUESTIONS
Constant is only 8 other is variable ax + 9
Constant is only 8 other is variable 12z ÷ 5x + 4
For the following monomials, write its degree: – 2p2q3r4
In -5x3y2z4 ; write the coefficient of y2 Also, write the degree of the given algebraic expression.
Fill in the blank:
6xy2 – 9xy2 = ______
Find the sum of: 5x2 – 2xy + 3y2 and – 2x2 + 5xy + 9y2 and 3x2 -xy- 4y2
Find the numerical co-efficient of the following term:
12k
The common factor of 3ab and 2cd is ______.
Factorise the following expression.
4xy2 – 10x2y + 16x2y2 + 2xy
Identify the numerical coefficient of term (other than constant) in the following expression:
− p2q2 + 7pq
