Equation 23

Find the value of unknown x in the equation:


(problem finding x)

Correct answer:

x1 =  3
x2 =  1

Step-by-step explanation:

x+3/x+1=5 x2+3+1x=5x  x24x+3=0  a=1;b=4;c=3 D=b24ac=42413=4 D>0  x1,2=2ab±D=24±4 x1,2=24±2 x1,2=2±1 x1=3 x2=1

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