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Question

Using the factorisation method, find the roots of the following quadratic equation:
xx1+x1x=52

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Solution

xx1+x1x=52 (x1,0)
2x2+2x24x+2=5x25x
x2x2=0
x2x2(1)=0
x22x+x2=0
x(x2)+1(x2)=0
(x+1)(x2)=0
x=1,2


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