Question

(i) (a + b) 2 – 5(a + b) - 6​​

Answer 1

Answer:

9

Step-by-step explanation:

given a + b into two 2 - 5 into a plus b minus6

a + b into 2 - 11 into a + b

is equal to 2 - 11 into a + b minus a + b

is equal to 9

Answer 2

Step-by-step explanation:

(a+b)2 - 5(a+b)-6

Now follow the simple multiply...

2a+2b - 5a-5b -6

Now do a little addition and subtraction of same terms..

-3a -3b -6

Now take common -3...

-3( a+ b+2)

So this is the final answer..