Question

30. How much is 2(a? + b) less than a + 2ab + b2 ? ​

Answer 1

First, solve 2(a + b)

2(a + b) = 2a+2b

Now, let's find the difference between both the numbers

a + 2ab + b2 - (2a +2b)

= a + 2ab + b2 - 2a - 2b

= a + 2ab

Therefore, 2(a + b) is a+2ab less than a + 2ab + b2.