`x^(2)+8x-105`

Show that ( x- 3) is a factor of x^(3) + 9x^(2) -x - 105

Simplify the following : 5x^(4) - 7x^(2) +8x - 1 +3x^(2) - 9x^(2) + 7 - 3x^(4)+11x - 2 +8x^(2)

What must be subtracted or added to p(x) = 8x^(4) + 14x^(3)-2x^(2) + 8x -12 so that 4x^(2) + 3x - 2 is a factor of p(x)?

Find the number of critical points of the function f (x) = - (3)/(4) x^(4) - 8x^(3) - (45)/(2) x^(2) + 105 , x in R

Find all the points of local maxima and local minima of the function f(x) = - (3)/(4) x^(4) - 8x^(3) - (45)/(2) x^(2) + 105 .

x^2-32x-105

(x^(2)+7x+12)/(x^(2)+8x+15)times(x^(2)+5x)/(x^(2)+6x+8)=____ .

Add 7x^(2) -8x + 5, 3x^(2) -8x +5 and -6x^(2) + 15x - 5