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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