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Question

Solve the equations:
2x33x2+x+12x33x2x1=3x3x2+5x133x3x25x+13.

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Solution

2x33x2+x+12x33x2x1=3x3x2+5x133x3x25x+13

Using dividendo and componendo

2x33x2+x+1+(2x33x2x1)2x33x2+x+1(2x33x2x1)=3x3x2+5x13+(3x3x25x+13)3x3x2+5x13(3x3x25x+13)

4x36x22x+2=6x32x210x26

Here we see that x is common both the equations, So x=0 is the solution,

2x3x+1=3x15x13

10x215x26x+39=3x2x+3x1

7x243x+40=0

7x235x8x+40=0

(7x8)(x5)=0

x=5,87,0 are the solutions.

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