Question

Factorise the following using an appropriate identity. 2ab-1+a*2+b*2​

Answer 1

Answer:

Solution

Here we have,

x

2

+14x+49

=x

2

+2×x×7+7

2

=(x+7)

2

∴x

2

+14x+49=(x+7)

2

Step-by-step explanation: