The value of a for which `x^3-7x+5` is a factor of `x^5-2x^4-4x^3+19x^2-31x+21+a`

Find the value of a for which ( x+2a) is a factor of (x^(5)-4a^(2)x^(3)+2x+2a+3) .

Find the value of a , if x+2 is a factor of 4x^4+2x^3-3x^2+8x+5a

Find the value of a such that (x-4) is a factor of 5x^3-7x^2-a x-28

Find the value of a, if x+2\ is a factor of \ 4x^4+2x^3-3x^3+8x+5adot

Find the value of a such that (x-4) is a factor of 5x^(3)-7x^(2)-ax-28

Find the value of a,if x+2 is a factor of 4x^(4)+2x^(3)-3x^(3)-+8x+5a

Find the value of a, if x+2 is a factor of 4x^(4)+2x^(3)-3x^(2)+8x+5a

The factor of 4x^(3)-7x^(2)-34x-8 is

In each of the following two polynomials, find the value of a , if x-a is a factor: x^6-a x^5+x^4-a x^3+3x-a+2 and x^5-a^2x^3+2x+a+1

(b) Find the value of m, if x +2 is a factor of x^(3) -4x^(2) + 3x - 5m