Question

i need a algebric sum like sub 4a-7ab+3b+12 from 12a-9ab+5b-3
and add like ab-bc,bc-ca,ca-ab
i need five add and sub questions for class

Answer 1

1. Subtract a²+ab-2b² from 5b²+a²-3b
2. Subtract a²+7a-15ab-2b from 15a²+2ab+b²-7a+12ab
3. add (a-b)² and (a+b)²
4. add a-bc, b-ca, c-ab.
5 add a²+7a-15ab-2b, 5b²+a²-3b and a²+ab-2b².

Answer 2

Answer:

This is the correct answer