Question

(4-х)2 - x (x-3) = 12​

Answer 1

(4 - x)² - x × (x - 3) = 12

16 - 8x + x² - x² + 3x = 12

16 - 5x = 12

- 5x = 12 - 16

- 5x = - 4

x = 4/5