Question

Select all expressions that are equivalent to x? + 4x.

A. x(x + 4)
B. (x + 2)2
C. (x + x)(x + 4)
D. (x + 2)2 - 4
E. (x + 4)

Answer 1

Answer:A
Step-by-step explanation:
A is x^2+4
B is 2x+4
C is x^2 +4x + x^2+4x, which gives you x^4 +8x
D is 2x+4-4, which is just 2x
E is just x+4

Answer 2

A only

Step-by-step explanation:

you can't get x^2 from any other choices