Math 194-Linear Algebra Homework: HW 3: Sec. 1.5 20f 13 (9 complete) ⼠HW Score: 61.54%, 80 ⧠1.5.5 Hel Write the solution set of the given 3x1+3x2 + 6x3=0 -64-6x2-12x3 = 0 -4x2 +4x3 Type an integer or simplified fraction for each matrix element.) Enter your answer in the answer box and then click Check Answer