Respuesta :

 (x - 3)(x + 5) = x2 + gx - 15
x2 – 3x + 5x -15 = x2 + gx – 15
x2 – x2 + 2x = gx – 15 + 15
2x = gx
2 = g  
So the value of g the makes the equation true is 2  

Answer:

the answer is 2

Step-by-step explanation: