ariennewright ariennewright

19-09-2019
Mathematics

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Which of the following are solutions to the equation below? Check all that apply. 4x^2 + 12x + 9 = 25

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Аноним Аноним

21-09-2019

Answer:

x = 1 or -4

Step-by-step explanation:

4x² + 12x + 9 = 25

4x² +12x + 9 - 25 = 0

4x² + 12x - 16 = 0

Dividing by 4 throughout gives;

x² + 3x - 4 = 0

Applying the quadratic formula you get;

x = 1 or -4

Answer Link

sunflowersunset sunflowersunset

26-07-2020

Answer: 1 or -4

Step-by-step explanation:

Answer Link

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