1
x5-4x2 = x2 (x3-4)
-5
5
(4x-5)(4x+5)
9
It is (x+5)(x+1) when factored
(4x + 5)(x - 3)
8x^2 + 6x - 5 = 8x^2 + 10x - 4x - 5 = 2x * (4x + 5) - (4x + 5) = (2x -1) * (4x + 5)
1
2(2x-11)(3x+5)
It is: (x-5)(x+1) when factored
Use www.wolframalpha.com Enter factor 4x^2+8x-5 to receive the answer (2x-1)(2x+5)
25