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Х^2+2У=18; 3х=2у

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The solution

You have entered [src]
 2           
x  + 2*y = 18
$$x^{2} + 2 y = 18$$
3*x = 2*y
$$3 x = 2 y$$
3*x = 2*y
Rapid solution
$$x_{1} = -6$$
=
$$-6$$
=
-6

$$y_{1} = -9$$
=
$$-9$$
=
-9
$$x_{2} = 3$$
=
$$3$$
=
3

$$y_{2} = \frac{9}{2}$$
=
$$\frac{9}{2}$$
=
4.5
Numerical answer [src]
x1 = -6.0
y1 = -9.0
x2 = 3.0
y2 = 4.5
x2 = 3.0
y2 = 4.5