Question

2.Solve x squared - 4x by Factoring

A. x = 4
B. x = 4 and x = 0
C. x = -4 and x = 0
D. x = -4
E. None of the above

Answer 1

Explanation:

hello:

x²-4x=0 means : x(x-4)=0

x=0 or x-4=0

conclusion : x=0 and x= 4 ...answer : B