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lisabon 2012 [21]
2 years ago
9

What value of g makes the equation true?

Mathematics
1 answer:
Alona [7]2 years ago
7 0

( x + 7)((x - 4) = x2 + 3x - 28

= xx_{4} - 3x = 7 x_{4} +  x_{2}  - 28

x =  \frac{ - 7x_{4} +  x_{2} - 28 }{ x_{4} - 3 }

=  - 7 \frac{ x_{2}  - 49}{ x_{4} - 3 }

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