Question

Aljabar
(5a - 6 + ab) - (a + 2ab - 1) = ... ?

Answer 1

(5a-6+ab) - (a+2ab-1)
=5a - 6 + ab - a - 2ab + 1
=(5 - 1)a +(-6 + 1) + (1 - 2) ab
=4a - 5 - ab
4a - ab - 5 >>> tuhh

Answer 2

(5a-6+ab) - (a+2ab-1)
=5a-6+ab-a-2ab+1
=(5-1)a+(-6+1)+(1-2)ab
=4a-5-ab
=4a-ab-5