Question

a2b2-5ab+7a2b2c2,2ab+3a2b2-4a2b2c2 Add the following:​

Answer 1

Answer:

a2+b2-2ab

Step-by-step explanation:

Above your formula

Answer 2

Answer:

12a²b² + (-3ab) + 3c²

Step-by-step explanation:

a²b²-5ab + 7a²b² c², 2ab + 3a²b²- 4a²b² c²

finding like terms

(a²b² + 7a²b² + 4a²b²) + (-5ab+2ab) + c²+c²+c²

Adding like terms

12a²b² + (-3ab) + 3c²