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Kitty [74]
3 years ago
15

What is true about the solution of StartFraction x squared Over 2 x minus 6 EndFraction = StartFraction 9 Over 6 x minus 18 EndF

raction?
x = plus-or-minus StartRoot 3 EndRoot, and they are actual solutions.
x = plus-or-minus StartRoot 3 EndRoot, but they are extraneous solutions.
x = 3, and it is an actual solution.
x = 3, but it is an extraneous solution.
Mathematics
2 answers:
Lady bird [3.3K]3 years ago
3 0

Answer:

x=\pm\sqrt{3}  and they are actual solutions

Step-by-step explanation:

we have

\frac{x^2}{2x-6}=\frac{9}{6x-18}

Factor the denominators both sides

\frac{x^2}{2(x-3)}=\frac{9}{6(x-3)}

Simplify

\frac{x^2}{2}=\frac{9}{6}

x^2=\frac{18}{6}

x=\pm\sqrt{3}

<u><em>Verify</em></u>

1) For x=\sqrt{3}

\frac{\sqrt{3}^2}{2(\sqrt{3}-3)}=\frac{9}{6(\sqrt{3}-3)}

\frac{3}{2(\sqrt{3}-3)}=\frac{9}{6(\sqrt{3}-3)}

18=18 ---> is true

therefore

x=\sqrt{3} ----> is an actual solution

2) For x=-\sqrt{3}

\frac{-\sqrt{3}^2}{2(-\sqrt{3}-3)}=\frac{9}{6(-\sqrt{3}-3)}

\frac{3}{2(-\sqrt{3}-3)}=\frac{9}{6(-\sqrt{3}-3)}

18=18 ---> is true

therefore

x=-\sqrt{3}  ----> is an actual solution

therefore

Fynjy0 [20]3 years ago
3 0

Answer:

The answer is A!

Step-by-step explanation:

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