What number would you add to both sides of x2 – 20x = 5 to complete the square ?

Pls an ice cream shop sells 5 times as many cake cones as waffle cones use variable x to represent the number of waffle the ice cream shop sells and use this variable to write an expression for the number of cake cones the ice cream shop sells. enter the expression for the number of cake cones the ice cream shop sells

What expression is equivalent to 1/2(2+3x-6)

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.