x^(2)-3x-28

Solve the equation (x^(2)-3x)^(2)+3x^(2)-9x-28=0 for real roots.

f(x)=3x^(3)+kx^(2)-32x+28 The function f is defined by the equation above where k is a nonzero constant. In the xy-plane the graph of f intersects the x-axis at three points: (-2, 0), ((3)/(2), 0), and (c, 0) . What is the value of k?

Check whether (x^(2)-11x+28) is a factor of the polynomial x^(3)-12x^(2)+39x-28 .

Find the square root of the following (4x^(2)-9x+2)(7x^(2)-13x-2)(28x^(2)-3x-1)

Factorise :x^(4)+3x^(2)-28

find the roots of the following equations if they exist, by the method of completing the square. 3x^2-17x-28=0

Find the roots of the following quadratic equations by factorisation 3x^2-17x-28=0

Using factor theorem, show that (x-5) is a factor of the polynomial 2x^(3) - 5x^(2) - 28x + 15