14x1+14x2-9X3+3x4-5x5 = -15 %3D 14x1+52x2-15x3+2X4-32x5 = -100 -9х1-15х2+36х3-5хд+16х5 %3D 106 3x1+2X2-5x3+47xX4+49x5 = 329 -5x1-32x2+16x3+49x4+79x5 = 463 Find x= [x1,X2X3,X4X5]T

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A: Known fact:The algebraic identity (a−b)2 = a2−2ab+b2.

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A:

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A: