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Fractional factors and symmetric expressions
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Fractional factors and symmetric expressions
Secondary 2
TGM Original Questions
Expand and simplify each of the following expressions.
\(\frac{3x}{y}(xy^2+2y)\), where \(y\ne0\)
\(-2(1-3d)(d+5)\)
Given \(x+y=-3\) and \(xy=-4\), find \((x+2)(y+2)\)
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Answer:
(a)(i) \(3x^2y+6x\); (ii) \(6d^2+28d-10\); (b) \(-6\).
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