Show the factorization and solve by Doolittles method. 2x 1 + x 2 + 2x 3 =
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Show the factorization and solve by Doolittle’s method.
2x1 + x2 + 2x3 = 0
-2x1 + 2x2 + x3 = 0
x1 + 2x2 - 2x3 = 18
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