If x-y-7 and x- y-12 find x3-y3

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(x±a)(x±b) = x²±(a+b)x+ab.

If x+y=7 and ...

Question

If x+y=7 and x*y=12 find x³+y³

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x + y = 12

x y = 27

x^{3} + y^{3}

x + y = 7, x y = 0

x^{3} + y^{3}

If $\frac{x}{y} + \frac{y}{x} = - 1$ then find $x^{3} - y^{3}$

\frac{x}{y} + \frac{y}{x} = 1; x^{3} + y^{3} = ?

x^{3} - y^{3}

x - y = 5

x y = 16

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