Respuesta :

Answer:

x=−4 or x=12

Step-by-step explanation:

Step 1: Factor left side of equation.

(x+4)(x−12)=0

Step 2: Set factors equal to 0.

x+4=0 or x−12=0

x=−4 or x=12

Answer:

-7 ?

Step-by-step explanation:

x^2 - 8x -48=0

add both x

-7x -48=0

   +48.  +48

-7x = 48

-----   -----

-7        -7

x = -7

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