The sum of two polynomials is 10a2b2 – 8a2b + 6ab2 – 4ab + 2. If one addend is –5a2b2 + 12a2b – 5, what is the other addend?
15a2b2 – 20a2b + 6ab2 – 4ab + 7
5a2b2 – 20a2b2 + 7
5a2b2 + 4a2b2 + 6ab – 4ab – 3
–15a2b2 + 20a2b2 – 6ab + 4ab – 7
1 answer
15a2b2 – 20a2b + 6ab2 – 4ab + 7