SOLUTION: Why is the largest perfect square factor of 20x^7 4x^6? Specifically, why did the ^7 turn into a ^6? Getting stuck here!
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Question 1118094: Why is the largest perfect square factor of 20x^7 4x^6? Specifically, why did the ^7 turn into a ^6? Getting stuck here!
Found 3 solutions by ikleyn, math_helper, greenestamps:
Answer by ikleyn(52784) (Show Source): You can put this solution on YOUR website!
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Why the largest perfect square factor of 20x^7 4x^6? Specifically, why did the ^7 turn into a ^6? Getting stuck here!
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I edited your post in order for it makes sense.
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
is a perfect square and it is the largest one that is a factor of
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
4x^6 is a perfect square: (2x^3)^2 = 4x^6.
When you factor 4x^6 out of the original expression 20x^7, what is left is 5x: .
Neither 5 nor x is a perfect square, so 4x^6 is the largest perfect square factor of 20x^7.
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