(3x-4)(3x+4)
Chat with our AI personalities
9x squared plus 16 = 0 factored is plus and minus 4/3 i.
It is a difference of squares. 9x^2-49=(3x+7)(3x-7)
(3x + 8)(3x - 8)
(9x2 + 7)(9x2 - 7) = 81x4 - 49
4 squared is 16. 4 squared means that 4 is used as a factor 2 times. 4x4=16