9000146207
Parte:
B
Factoriza la expresión \(4a^{2} -\left (a - 1\right )^{2}\)
\(\left (a + 1\right )\left (3a - 1\right )\)
\(\left (a - 1\right )\left (3a - 1\right )\)
\(\left (a + 1\right )\left (3a + 1\right )\)
\(\left (a - 1\right )\left (3a + 1\right )\)