solve for x : 3/x-1 +1/x-1 = 4/ x
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Step-by-step explanation:
I it is not the property question
Answered by
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Answer:
3/x+1 + 4/x-1 =29/4x-1
=>3(x-1)+4(x+1)/x2-1 =29/4x-1
=>3x-3+4x+4/x2-1 =29/4x-1
=>7x+1/x2-1 = 29/4x-1
=>28x2+4x-7x-1 =29x2-29
=>-x2-3x+28 = 0
=>x2+3x-28=0
=>x2+7x-4x-28 = 0
=>x(x+7)-4(x+7)=0
=>(x+7)(x-4)=0
=>x+7=0
=>x= -7
or,
=>x-4=0
=>x=4
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