Question

add 7xy+5yz-3zx,4yz+9zx-4y,-3xz+5x-2xy​

Answer 1

Step-by-step explanation:

7xy+5yz-3zx+4yz+9zx-4y+ -3xz+5x-2xy

= 7xy-2xy + 5yz+4yz -3zx+9zx -3zx -4y +5x

= 5xy + 9yz +3zx + 5x -4y

Answer 2

Topic:

Algebraic expressions and Identities

• Addition of Algebraic expressions

Question:

Add:

7xy + 5yz - 3zx , 4yz + 9zx - 4y , - 3xz + 5x - 2xy

Solution:

ㅤㅤ7xy + 5yz - 3zx

ㅤㅤㅤㅤㅤ4yz + 9zx - 4y

(+)ㅤ-2xyㅤㅤㅤ-3zxㅤㅤ+ 5x

⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯

ㅤㅤ5xy + 9yz + 3zx - 4y + 5x

⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯

Hence, the required Answer is 5xy + 9yz + 3zx - 4y + 5x

More To Know:

⎯ Terms , factors and coefficients

Let us take the expression - 4x + 5

Here,

The terms are 4x , 5

The factors are 4 , x , 5

The coefficient of 4x is 4

⎯ Coefficients:-

The numerical factor of a term is called it's numerical coefficient.