Express $\frac{2x^3-54}{x^3+3x^2+9x}\backslash frac\{2x^3\; -54\}\{x^3\; +3x^2\; +9x\}$ in lowest terms

What should be added to $\frac{4x}{x^2-1}\backslash frac\{4x\}\{x^2-1\}$ to get $\frac{x+1}{x-1}\backslash frac\{x+1\}\{x-1\}$

$x^n-y^{n}x^n-y^n$ is divisible by (x - y) when n is ……………

Express $\frac{(x^3+y^3+z^3-3xyz)}{(x^2+y^2+z^2-xy-yz-zx)}\backslash frac\{(x^3\; +\; y^3\; +\; z^3-3xyz)\}\{(x^2\; +\; y^2\; +\; z^2\; -xy-yz-zx)\}$ in lowest terms.

If the polynomial has only one zero its cuts X axis at ……………………. point.

Simplify $\frac{x+2}{x-2}+\frac{x-2}{x+2}-\frac{3x^2-3}{x^2+4}\backslash frac\{x+2\}\{x-2\}+\backslash frac\{x-2\}\{x+2\}-\backslash frac\{3x^2-3\}\{x^2+4\}$

What should be added to $\frac{2}{x^2+x-6}\backslash frac\{2\}\{x^2+x-6\}$ get $\frac{-4x}{(x^2-4)(x^2-9)}\backslash frac\{-4x\}\{(x^2-4)(x^2-9)\}$

The additive inverse of 3x – 4 + $\frac{x}{2x-1}\backslash frac\{x\}\{2x-1\}$ is …………

Which of the following is not a quadratic polynomial?

Which of the following polynomials is in standard form ?