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What value of g makes the equation true?
(x+7)(x-4)= x2 + 3x-28
-
O -11
0 -3
O 3
O 11

Sagot :

Delcaid999idn

[tex]( x + 7)((x - 4) = x2 + 3x - 28[/tex]

[tex] = xx_{4} - 3x = 7 x_{4} + x_{2} - 28[/tex]

[tex] x = \frac{ - 7x_{4} + x_{2} - 28 }{ x_{4} - 3 } [/tex]

[tex] = - 7 \frac{ x_{2} - 49}{ x_{4} - 3 } [/tex]

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