For what value of x is \(\frac{4 - 2x}{x + 1}\) undefined.
Factorize 4a\(^2\) - 9b\(^2\)
If 5x + 3y=4 and 5x-3y= 2, what is the value of (25x\(^2\) -9y\(^2\))?
Simplify \(\frac{2-18m^2}{1+3m}\)
The mean of two numbers x and y is 4. Find the mean of four numbers x, 2x, y and 2y
