Question

Find the square (2m - 8)^2

Answer 1

(2m -8)^2 = (2m-8)(2m-8)

(2m-8)(2m-8)

2m x 2m = 4m^2

2m x -8= -16m

-8 x 2m= -16m

-8 x -8 = 64

4m^2 -16m -16m + 64

4m^2 -32m + 64

Square: 4m^2 -32m + 64