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cluponka [151]
3 years ago
12

Simplify 3(2f+6)+7thanks

Mathematics
1 answer:
Naya [18.7K]3 years ago
4 0

{Expand} 3(2f+6): 6f+18

6f+18+7

18+7=25

= 6f+25

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What is true about the solution above.
Masja [62]

ANSWER

x =  \pm \sqrt{3}

and they are actual solutions.

EXPLANATION

The given equation is:

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

Cross multiply

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This implies;

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Factor

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3 {x}^{2}   = 9 \: or \: 2x  = 6

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{x}  =  \pm \sqrt{3} \: or \: x  = 3

The domain of the given equation is

x \ne3

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x =  \pm \sqrt{3}

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