Math, asked by RehanKhan08, 5 months ago

Add 9xy-3yz+2zx; 2xz+9xy-4y and -2xz+5x+3xy

Answers

Answered by TanuDia

3

Answer:

21xy - 3yz + 2zx - 4y + 5x

Step-by-step explanation:

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

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

Bring like terms near each other

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

= 21xy - 3yz + 2zx - 4y + 5x

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