Question

1. (x+y)2 when x= −3, y= 14

2. −2x+17 when a= x= 8 b= x= −8


3. 10−3m when a= m= 5 b= m= −5

Answer 1

1.

`(x+y)2\\ (-3+14)2\\ -6+28\\ 22\\ \\`

2.

`-2x+17\\ -2(8)+17\\ -16+17\\ 1`

3.

`10-3m\\ 10-3(5)\\ 10-15\\ -5`