Question #6405616Single Choice
Algebra-2
Question
What is the first step to solving the equation below by completing the square?
a2 + 10a + 21 = 0
Options
A
Set the equation equal to zero
B
Divide 10 by 2 and add the result to both sides
C
Add a2 and 10a together
D
Subtract the 21
Answer & Analysis
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