Question

a) 5x2 – x = 0

b) 2x2 – 2 = 0

c) 5x2 = 0​

Answer 1

a) 5x² - x = 0 → x × (5x - 1) = 0 x = 0

5x - 1 = 0 → 5x = 1 → x = 1

5

b) 2x² - 2 = 0 → 2x² = 2 → x² = 2 → x² = 1 →

2

x = √1 → x = 1

c) 5x² = 0 → x² = 0 → x² = 0 → x = √0 →

5

x = 0