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Question
Solve `x^2 - 11/4 x + 15/8 = 0`
Solution
`x^2 - 11/4 x + 15/8 = 0`
`=> (8x^2 - 22x + 15)/8 = 0`
`=> 8x^2 - 22x + 15 = 0`
`=> 8x^2 - 12x - 10x + 15 = 0`
`=> 4x(2x - 3) - 5(2x - 3) = 0`
`=> (2x - 3)(4x - 5) = 0`
`=> 2x - 3 =0 or 4x - 5 = 0`
`=> x = 3/2 or x = 5/4`
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