Using method of completing the square , x2+4x can be written as ?
A
x2−4
B
(x+2)2−4
C
(x+2)2+4
D
(x+2)2
Answers
Answered by
0
Answer:
option d
Step-by-step explanation:
x2+4x=2(x+2)
=(x+2)2
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