Answer:
n = 4 or n = -4
Step-by-step explanation:
We have: 4n² - 3 = 61.
Add 3 to both sides:
4n² = 61 + 3 = 64
Divide both sides by 4:
n² = 64/4 = 16
Square root both sides:
n = +/- √16
The answers are 4 and -4.
n = -4, 4
4n² - 3 = 61
4n² = 64
n² = 16
n = +/- 4
