chapter- quadratic equation
solve for x
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2/(x+1) + 3/(2x-4) = 23/5x
(4x-8+3x+3)/(2x²-4x+2x-4) = 23/5x
(7x-5)/(2x²-2x-4) = 23/5x
by cross multiplication
35x²-25x = 46x²-46x-92
46x²-35x²-46x+25x-92 = 0
11x²-21x-92 = 0
11x²-44x+23x-92 =0
11x(x-4)+23(x-4) = 0
(x-4)(11x+23) =0
x=4 or x= -23/11
(4x-8+3x+3)/(2x²-4x+2x-4) = 23/5x
(7x-5)/(2x²-2x-4) = 23/5x
by cross multiplication
35x²-25x = 46x²-46x-92
46x²-35x²-46x+25x-92 = 0
11x²-21x-92 = 0
11x²-44x+23x-92 =0
11x(x-4)+23(x-4) = 0
(x-4)(11x+23) =0
x=4 or x= -23/11
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