Question

3. 140 x + 326 x + 36x² - 92x by Don & Box²
Ansi-120x ( 140 x + 326n + B6 n²-322​

Answer 1

36x² -12ax +( a²-b²) = 0

(6x)² - 2.(6x).a + a² -b² = 0

{6x - a}² - b² = 0

use formula ,

a² -b² = (a - b)(a + b)

{6x -a -b}{6x -a + b} =0

x = (a + b)/6 , (a - b)/6