Matilda uses the polynomial identity (2x−y)^2=4x^2−4xy+y^2 to show that 18² = 324.
What values can Matilda use for x and y?
A . x = 10 and y = 2
B x = 2 and y = 20
C. x = 2 and y = 10
D. x = 20 and y = 2
