Question

Answer the questions about 7√19 + 4√21 – 5√21 + √19.

Answer 1

Hey there! Do you know how to add like terms?

Think of √19 as an apple
and think of √21 as a banana

The question is:
7√19 + 4√21 – 5√21 + √19

so you have
7 apples + 4 bananas - 5 bananas + 1 apple

Answer 2

thanks

Answer 3

and you can just replace what you get back

apples are √19
bananas are √21

so what did you get as your final answer?