bibi08
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  • 28-10-2018
  • Mathematics
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ASAP PLS! What is 2k^2+3k-13=k^2+15?

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 28-10-2018

2k^2+3k-13=k^2+15

subtract k^2 -15 from each side

k^2 +3k -28=0

(k+7)(k-4)=0

k=-7  k=4

Answer: k= -7,4

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