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Mariulka [41]
3 years ago
11

Which of the following are solutions to the equation below? check all that apply. 4x^2+4x+1=9

Mathematics
1 answer:
AVprozaik [17]3 years ago
8 0
  • ±Answer:

X 1 = 1  ; X 2 = -2

Step-by-step explanation:

We clear the whole numbers, equal to (zero) and use the calculation formula of the quadratic function, according the image:

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