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Which equations have the same pair of solutions? Select all that apply.

1.(x+6)(x - 6) = 0
2.(x + 6)(x + 6) = 0
3.(x-6)(x - 6) = 0
4.(2x + 12)(2x - 12) = 0
5.(2x - 12)(x - 12) = 0
6.(x +12)(x - 12) = 0
7.(x +12)(x-6) = 0
Which one has the same pairs due by tomorrow

User BinaryDi
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9.3k points

2 Answers

7 votes
2,3,1 I think that is right
User Rameshthoomu
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8.1k points
5 votes

Answer:

1 and 4 has same pairs of solution.

Explanation:

Solutions for the given equations are:


1. (x+6)(x - 6) = 0\\(x+6) = 0, (x-6) = 0\\x = -6, x = 6\\\\2. (x + 6)(x + 6) = 0\\(x+6) = 0, (x+6) = 0\\x = -6, x = -6\\\\3. (x - 6)(x - 6) = 0\\(x-6) = 0, (x-6) = 0\\x = 6, x = 6\\\\4. (2x + 12)(2x - 12) = 0\\(2x+12) = 0, (2x-12) = 0\\x = -6, x = 6\\\\5. (2x - 12)(x - 12) = 0\\(2x-12) = 0, (x-12) = 0\\x = 6, x = 12\\\\6. (x+12)(x - 12) = 0\\(x+12) = 0, (x-12) = 0\\x = -12, x = 12\\\\7. (x +12)(x-6) = 0\\(x+12) = 0, (x-6) = 0\\x = -12, x = 6

(x+6)(x - 6) = 0 and (2x + 12)(2x - 12) = 0 have same pair of solutions.

User Pere Villega
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