x, squared, minus, 4, equals, 0
x
2
−4=
0
Solve the problem just like the example below
⬇️
Solve for all real values of x
x² - 16 = 0
+16. +16
x²=16
√x² = ± √16
x= ± 4
Solutions: x=4, x=-4
1 answer
Sure! Let's solve the equation \( x^2 - 4 = 0 \) step by step.
Solve for all real values of x
x² - 4 = 0
+ 4. + 4
x² = 4
√x² = ± √4
x = ± 2
Solutions: x = 2, x = -2