Question

Add: 7xy + 3yz - 5zx, -5xy – 2yz + 3zx, 8xy + 4yz +8zx

Answer 1

(7xy + 3yz - 5zx)+( -5xy – 2yz + 3zx)+(8xy + 4yz +8zx)

=7xy+3yz-5zx-5xy-2yz+3zx+8xy+4yz+8zx

=7xy-5xy+8xy+3yz-2yz+4yz-5zx+3zx+8zx

=15xy-5xy+7yz-2yz+6zx

=10xy+5yz+6zx

Answer 2

7xy + 3yz - 5zx - 5xy – 2yz + 3zx + 8xy + 4yz +8zx = 10xy + 5yz + 6zx

Solution:

Given that, We have to add

7xy + 3yz - 5zx

-5xy – 2yz + 3zx

8xy + 4yz +8zx

Add all these

Addition = 7xy + 3yz - 5zx - 5xy – 2yz + 3zx + 8xy + 4yz +8zx

Combine the like terms

Addition = (7xy - 5xy + 8xy) + (3yz -2yz +4yz) + (-5zx + 3zx + 8zx)

Perform the addition operation

Addition = 10xy + 5yz + 6zx

Thus the given are added

Learn more about addition

Add 85.93 km and 63m

https://brainly.in/question/9499887

Add 8,12,230,1475 in three different order to get the same sum

https://brainly.in/question/9499887