The dividers of a0: 1,2,4,8,16 The dividers of an:1 Therefore check the following rational numbers: +- 1,2,4,8,16/1 4/1 is a root of the expression, so factor out x-4,
compute (x^4+13x^3-64x^2-20x+16)/(x-4) to get the rest of the equation: x^3+17x^2+4x-4
Since one of the angles is 90 degrees (right angle) and the other two angles are less than 90 degrees (acute angles) it is a right triangle because it cousins of right angle. Hope this helped!
