is 9x^2 + 4 prime factor
Factor: 9x2 - 25.
(3x + 4)(3x - 4)
3x + 1)(3x - 4)
9x2 + 12x + 4 = 9x2 + 6x + 6x + 4 = 3x(3x + 2) + 2(3x + 2) = (3x + 2)(3x + 2) = (3x + 2)2
(3x + 4)(3x + 4)
what is the prime factor of 4
Yes.
No on both counts. 4 is not prime and 4 is not a factor of 30.
No. While 4 is a factor of 40, it is not a prime number.
The GCF is 9.
The prime factor of 4 is 2
While it is possible to factor 3x2 from both of these and get 3x2(4 - 1), it's a lot easier to subtract 3x2 from 12x2 and get 9x2