Question

(3a-2b)^2-7(3a-2b)-24
How do you solve this

Answer 1

Answer:

(3a-2b)²-7(3a-2b)-24.

(3a-2b)².

By using formula (a-b)²=a²-2ab+b² where a=3a & b=2b.

(3a-2b)²=(3a)²-2(3a)(2b)+(2b)².

=9a²-12ab+4b².

7(3a-2b)=21a-14b.

(3a-2b)²-7(3a-2b)-24

=(9a²-12ab+4b²)-(21a-14b)-24.

=9a²-12ab+4b²-21a+14b-24.

I think this is your answer.