Yes.there is. 2x and 4x are parameters that show us reading speed. 4x DVD-rd is read faster than 2x DVD-rd. Moreover, your question is not specific.It depends on facts such as how many layers a DVD is made.
4x^2 - ox - 25 = 4x^2 - 25 which is a difference of two squares (DOTS)= (2x)^2 - (5)^2So, the factorisation is (2x + 5)*(2x - 5).4x^2 - ox - 25 = 4x^2 - 25 which is a difference of two squares (DOTS)= (2x)^2 - (5)^2So, the factorisation is (2x + 5)*(2x - 5).4x^2 - ox - 25 = 4x^2 - 25 which is a difference of two squares (DOTS)= (2x)^2 - (5)^2So, the factorisation is (2x + 5)*(2x - 5).4x^2 - ox - 25 = 4x^2 - 25 which is a difference of two squares (DOTS)= (2x)^2 - (5)^2So, the factorisation is (2x + 5)*(2x - 5).
4x - 2x = 2x
4x - 2x = 2x
At 2X, the writing speed is slower and it takes longer to finish writing a set amount of data on to a DVD disk. But the chance of getting an write error may be lower with 2X than 4X write speed.
If that's - 4x, the answer is (2x + 3)(2x - 5) If that's + 4x, the answer is (2x - 3)(2x + 5)
-6 + 4x + (9-2x) = -6 + 4x + 9 - 2x = [ 3 + 2x ]
(2x - 3)(4x + 9)(2x + 3) = (2x - 3)(2x + 3)(4x + 9) = [(2x)^2 - (3^2)](4x + 9) = (4x^2 - 9)(4x + 9) = (4x^2)(4x) + (4x^2)(9) - (9)(4x) - (9)(9) = 16x^3 + 36 x^2 - 36x - 81
4x + 2 + 2x - 2x = 14 4x = 14 - 2 4x = 12 x = 3
2x+17 = 4x-3 2x-4x = -3-17 -2x = -20 Answer: x =10
2x - 5 - 4x + 8= 2x - 4x - 5 + 8= -2x + 3
4x - 7 = 2x + 15 4x = 2x +222x = 22x = 11
4x-1=2x+1