What is 4x(x=y)=46? plz can someone me

What signals you that factoring by grouping is the best method to use when factoring a problem?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Landon wrote that 3−2.6=4. which statement about his answer is true?