Instead of using facial mask, you choose a triangular scarf whose edge is surrounded with white lace. If the total length of the lace is (3x + 2x2 (2x² x + 3) cm and its 2 sides have lengths (2x2 + 3) cm and (4x - 7) cm respectively, what is the length of the third side 2 IPAKITA ANG SOLUSYON NGARIA.