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Which middle step is correct while solving (x^2-12x+20=0) by completing square?
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Answer and explanation
Correct answer: ((x-6)^2=16)
From (x^2-12x+20=0), (x^2-12x=-20), then adding (36) gives ((x-6)^2=16). In exams, add the same number to both sides.
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What is the correct answer to this question?
((x-6)^2=16)
Why is this the correct answer?
From (x^2-12x+20=0), (x^2-12x=-20), then adding (36) gives ((x-6)^2=16). In exams, add the same number to both sides.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Methods of Solving Quadratic Equations.
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