Question

Q5. From the sum of 2st+ s²+t² and 5st+3s²+3t²​

Answer 1

$\sf\huge\bold{\underline{\underline{{Solution}}}}$

To calculate the sum :

1. First step to write both the expressions together separated by an operational sign '+'
2. Now,Arrange like terms together ( means term of Variable of same type should be together).
3. At last add them which is our required answer.

Remember=>The and used between the given two expression signifies the 'sum'.

Now ,we will write the given two expression :

=>2st+s²+t² and 5st+3s²+3t²

=>2st+s²+t²+5st+3s²+3t²

Now ,write like terms together :

=>2st+5st+s²+3s²+t²+3t²

=>7st+4s²+4t²

=>7st+4s²+4t² is your answer.