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Find k so that kx^2 – 12x + 9 is the square of a binomial.

 Sep 15, 2020
 #1
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k = 16.

 Sep 15, 2020
 #2
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(2x - 3)² = 4x² - 12x + 9

 

k = 4

 

laugh

 Sep 15, 2020

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