how to factor 5a^4 + 12a^3 + 4a^2
5a⁴ + 12a³ + 4a²a²(5a²) + a²(12a) + a²(4)a²(5a² + 12a + 4)a²(5a² + 2a + 10a + 4)a²(a(5a) + a(2) + 2(5a) + 2(2))a²(a(5a + 2) + 2(5a + 2))a²(a + 2)(5a + 2)