Question

please give me correct answer​

Answer 1

Answer:

-3root2 + 7root3 - 2root7

Step-by-step explanation:

2 × root2 + 5 × root3 - root7 + 2 × root3 - 5 × root2 - root7

= 2 × root2 - 5 × root2 + 5 × root3 + 2 × root3 - root7 - root7

= -3 × root2 + 7 × root3 - 2 × root7

= -3root2 + 7root3 - 2root7