idk2461 idk2461
  • 22-10-2018
  • Mathematics
contestada

what equation results from completing the square and then factoring x2+4x=12

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-10-2018

x^2 + 4x  = 12

add 4 to each side  (4/2)^2

x^2 + 4x + 4 = 12 + 4

(x+2)^2 = 16

take the square root of each side  (gives a positive and negative answer)

x+2 = 4    x+2 = -4

x=2        x=-6

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alisonjamiemerritt
alisonjamiemerritt alisonjamiemerritt
  • 09-11-2020

(x+2)^2 = 16

a p e x

this is 2 years late but I need some points haha

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