(y-5)²=y²-5² what is the mathematical error
Answers
Answered by
1
Step-by-step explanation:
(y-5)^2 = y^2+ 5^2 - 10y
but in the given Question it's y^2-5^2
so it's an error
Answered by
2
Answer:
y2 +25-10y=y2-25
10y=50
y=5
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