Respuesta :

Answer:

A = x  =  − 3

B = x  =  3 ,  − 3

Step-by-step explanation:

For A = Use the formula  ( b/2^2 ) in order to create a new term. Solve for  x  by using this term to complete the square.

For B = Isolate the variable by dividing each side by factors that don't contain the variable.