Question

X2 - 2xy + y2 when x = 3 and y = 2​

Answer 1

3^2−(2)(3)(2)+2^2

3^2−(2)(3)(2)+2^2

= 1

Answer 2

1

Explanation:

Substitute 3 for x and 2 for y:

3^2 - 2(3)(2) + 2^2

= 9 - 12 + 4

= 1