Question

El desarrollo de 3a(x – b) – 2x (a+b) – ab =

Answer 1

$3a(x - b) - 2x(a + b) - ab$

$= (3a \times x) + (3a \times - b) + ( - 2x \times a) + ( - 2x \times b) - ab$

$= 3ax + ( - 3ab) + ( - 2ax) + ( - 2bx) - ab$

$= 3ax - 3ab - 2ax - 2bx - ab$

$ax - 4ab - 2bx$