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Help solve: 4n²-17=19 (With steps!!)

User Arth
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2 Answers

3 votes

Answer: n=3,-3

Explanation:

4n^2 -17=19. Bring the 19 to the other side

4n^2 - 36 = 0. Factor the difference of squares

(2n + 6)(2n - 6). Solve both

User Tomision
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n=3

4n^2=36 (17+19=36)

36/4=9

Take the square root of 9 since n was a squared

And that’s how you would get n=3


User Gabriel Carballo
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5.1k points