The number of solutions of an equation x² - 4 = 0 is?
The number of solutions of an equation x² - 4 = 0 is?
Explanation
The equation is x² - 4 = 0.
x² = 4
x = ±2
There are two solutions: x = 2 and x = -2.
The equation is x² - 4 = 0.
x² = 4
x = ±2
There are two solutions: x = 2 and x = -2.