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(4/x)+(12/x-5)=-11 solve its has two solutions can someone show me how to solve this step by step
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yes
multiply each term by x
i see how yougot the denominator but that numerator i dont get it
wait
There is an easy way
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Look If you have equation like a/b + c/d = e just cross multiply the denominators That is (a x d + c x b)/ bx d
here you can write (4 ( 12 -x ) + 12 X )/ X ( 12-X)= - 11
WHICH GIVES YOU (48 - 4X + 12 X )/ 12X- X^2 = -11
48 + 8X / 12X- X^2 = -11
48 + 8X = - 11( 12X - X^2)
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48 + 8X = -132X + 11 X^2 11X^2 -132X -8X -48 = 0 11X^2 -140X -48 = 0
X = - b ± √(b2 - 4ac) / 2a
a = 11 b= -140 c= - 48
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