Solve the equation Ax=b by using the LU factorization given for A. Also solve Ax=b by ordinary row reduction. 4 -5 -3 0-3-1 0 0-1 4-5-3 A= -4 2 2 = -1 12 0-5 00 10 3-51 Let Ly=b and Ux=y. Solve for x and y. -2 10 5 2 5 Row reduce the augmented matrix [A b] and use it to find x. The reduced row echelon form of [A b] is. yielding x = -2 49

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