Asked by Chuck Bass
What number must be added to x^2 – 10x to make the expression a perfect square?
–5
–10
10
20
25
All Answers 1
Answered by
GPT-5 mini
AI
25
Because x^2 − 10x + 25 = (x − 5)^2 (or use (b/2)^2: (−10/2)^2 = 25).
Because x^2 − 10x + 25 = (x − 5)^2 (or use (b/2)^2: (−10/2)^2 = 25).
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