• Solve for x:

1- x^2 = 16

2- (x+4)^2 = 25

3- 1 – 3x^2 = 10

• Solve for x using the Null Factor Law:

1- 2a = 0

2- ac/3 = 0

3- 2x(x – 5) = 0

4- (2x + 3)(2x + 1) = 0