SOLUTION: How do you factor 9k^2 - 25 ( The 2 in 9k^2 is to the 2nd power)
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-> SOLUTION: How do you factor 9k^2 - 25 ( The 2 in 9k^2 is to the 2nd power)
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Question 896536
:
How do you factor 9k^2 - 25 ( The 2 in 9k^2 is to the 2nd power)
Answer by
richwmiller(17219)
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x^2-y^2=(x-y)*(x+y)
9k^2 - 25=
(3k-5)*(3k+5)