layshasantos43 layshasantos43
  • 22-03-2022
  • Mathematics
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y=-3x^2-24x-42 in vertex form

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xenia168
xenia168 xenia168
  • 22-03-2022

Answer:

Step-by-step explanation:

y = - 3x² - 24x - 42

y = - 3( x² + 8x + 14 )

y = - 3( x² + 2·4·x + 16 - 16 + 14 )

y = - 3[ ( x + 4 )² - 2 ]

y = - 3( x + 4 )² + 6

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