Two numbers have a difference of 15 and a product of 199.75.The larger of the two numbers is x.(a) Show thatx2 – 15x – 199.75 = 0(3)(b) Solve the equationx2 – 15x – 199.75 = 0X2是 X的2次方
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![Two numbers have a difference of 15 and a product of 199.75.The larger of the two numbers is x.(a) Show thatx2 – 15x – 199.75 = 0(3)(b) Solve the equationx2 – 15x – 199.75 = 0X2是 X的2次方](/uploads/image/z/5328047-47-7.jpg?t=Two+numbers+have+a+difference+of+15+and+a+product+of+199.75.The+larger+of+the+two+numbers+is+x.%28a%29+Show+thatx2+%E2%80%93+15x+%E2%80%93+199.75+%3D+0%283%29%28b%29+Solve+the+equationx2+%E2%80%93+15x+%E2%80%93+199.75+%3D+0X2%E6%98%AF+X%E7%9A%842%E6%AC%A1%E6%96%B9)
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