Given 2x-y = 2, then the value of the square of 5 (2x-y) - 4x + 2y-3 is?

Given 2x-y = 2, then the value of the square of 5 (2x-y) - 4x + 2y-3 is?

5﹙2x-y﹚²-4x+2y-3
=5﹙2x-y﹚²-2﹙2x-y﹚-3
=5×4-2×2-3
=13