B.121 x6 al cuadrado-108x3 al cuadrado+4: c.64x2 al cuadrado-169 xy +81y2 al cuadrado:
e. x8 al cuadrado-3x4 al cuadrado + 4:

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]