2a
Chat with our AI personalities
4a2+ 25 does not factor over the real number field. In the complex numbers , it factors as (2a +5i)(2a - 5i). This is because i2 = -1, so 4a2 + 25 = 4a2 - (- 25) = 4a2 - 25(-1) = 4a2 - 25i2
(2a + 10)(2a - 12)
The greatest common factor (GCF) of 2a and 3a is a.
4(4a2 - b2) 4(2a + b)(2a - b)
The GCF is 2a.