Question

Помогите решить уравнение (4x-3)*(4x+3)-(4x-1)^2=3x " ^ " -это степень

Answer 1

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

16x² - 9 - ( 16x² - 8x + 1 ) = 3x

16x² - 9 - 16x² + 8x - 1 = 3x

- 10 + 8x = 3x

8x - 3x = 10

5x = 10

x = 10 : 5

x = 2