SOLUTION: Find the product of the polynomials. Show your work. -4/3(k+7)(3k-9)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find the product of the polynomials. Show your work. -4/3(k+7)(3k-9)      Log On


   

Question 1074362: Find the product of the polynomials. Show your work.
-4/3(k+7)(3k-9)
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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DONE AGAIN WITH STEPS INCLUDED FOR CLARITY (and correct result):
-%284%2F3%29%28k%2B7%29%283k-9%29
-%284%2F3%29%283k-9%29%28k%2B7%29
%28-4k%2B3%29%28k%2B7%29
-4k%5E2-28k%2B3k%2B21
highlight%28-4k%5E2-25k%2B21%29




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THIS POSTED EARLIER WAS WRONG:
-4%28k%2B7%29%28k-3%29
-4%28k%5E2%2B4k-21%29
-4k%5E2-16k%2B84-----incorrect