Select all expressions that are equivalent to x^2 + 4x A +(2+4)
B
(2 + 2)
С C
(+) (+4)
D
(2+2)- 4
E

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

explanation:

step-by-step explanation:

i think its a.

hope this

the answer on ed. is:

c. "the graph of f(x) has exactly two x-intercepts."

hope i could someone! : )