Answer:
4x^2 - 10x + 1 units
Explanation:
(3x - 1) + (x + 2) + (3x^2 - 11x) + (x^2 - 3x)Adding like terms:3x^2 + x^2 = 4x^2
-11x - 3x + 3x + x = -10x
-1 + 2 = 1Summing it up; the perimeter is 4x^2 - 10x + 1 units
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