Dimitri is solving the equation x2 – 10x = 21. Which value must be added to both sides of the equation to make the left side a p
erfect-square trinomial?
0
4
25
100
2 answers:
Answer:
it's 25, just did it
Step-by-step explanation:
1
/2 o
f (
−
10
)
= −
5
, (
−
5
)^
2 = 25
Answer:
C. 25
Step-by-step explanation:
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