3x2 – 27 = 0
To solve for x:
3x^2 - 27 = 0
First, add 27 to both sides:
3x^2 = 27
Then, divide both sides by 3:
x^2 = 9
Take the square root of both sides:
x = ±3
So the solutions are x = 3 and x = -3.
3x^2 - 27 = 0
First, add 27 to both sides:
3x^2 = 27
Then, divide both sides by 3:
x^2 = 9
Take the square root of both sides:
x = ±3
So the solutions are x = 3 and x = -3.