Respuesta :
9( 2a+1 ) =
Distribute parentheses using : a(b+c) = ab+ ac
9 * 2a + 9 * 1 =
18 a + 9
hope this helps!
Distribute parentheses using : a(b+c) = ab+ ac
9 * 2a + 9 * 1 =
18 a + 9
hope this helps!