For what value(s) of x is the fraction 5x-10/x^2-25 undefined?

How many lines can be drawn through points j and k? 0 1 2 3

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?