what should be added to (9x^2- 30x) to make a perfect square?
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Answered by
1
Answer:
-25 should be added to the equation
Answered by
2
Answer:
25 should be added.
Step-by-step explanation:
9x^2- 30 x +25
=(3x)^2-2×3x×5+(5)^2
=(3x-5)^2
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