greisman676
greisman676 greisman676
  • 01-12-2020
  • Mathematics
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Use substitution to write an equivalent quadratic equation.
(3x + 2)2 + 7(3x + 2) – 8 = 0


ANSWER IS ✔ u² + 7u - 8 = 0, where u = 3x + 2

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Nrsemans Nrsemans
  • 03-12-2020

Answer:

it's u^2+7u-8=0 where u=3x=2

AKA the second one down

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