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  • 17-11-2019
  • Mathematics
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What’s the first step when rewriting y=3x^2+9x-18 in the form y=a(x-h)^2

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  • 17-11-2019

Answer:

Steps in rewriting :

y = 3 x² + 9 x - 18 = 3 ( x² + 3 x ) - 18 = 3 (( x² + 3 x + 9/4 ) - 9/4) - 18 = 

= 3 ( x + 3/2 )² - 27/4 - 18 = 3 ( x + 3/2 )² - 99/4

Answer:

3 must be factored from 3 x² + 9 x.

Source: https://brainly.com/question/1531931

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