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Question

Find x, if [x -5 -1] 102021203x41=0.

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Solution

Here, [x51]102021203x41=0.
[x51]102021203x41=0[x 5 1]x+0+20+8+12x+0+3=0[x(x+2)+(5)(9)+(1)(2x+3)]=0x248=0x2=48x=±48=±43


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