Question

(4a+ab-2b)+(9a-5ab+b)+(4a-3a-6b)​

Answer 1

Answer:

Hope it is helpful to you... God bless you

Step-by-step explanation:

subtract 4a−7ab+3b+12 from 12a−9ab+5b−3

=12a−9ab+5b−3−(4a−7ab+3b+12)

=12a−9ab+5b−3−4a+7ab−3b−12

=8a−2ab+2b−15