--factorise X upon X + 1 + X + 1 upon x is equal to 34 upon 15
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x is answer is correct is 2
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X/x+1+x+1/x=34/15
X^2 /2x+2=34/15
15x^2-34×2x-68=0
15x^2-80x+12x-68=0
5x(3x-16)+4(3x-16)
X=16/6 or - 4/5
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