Question

(-13 x^2 y^2) - (-6 x^2 y^2)

Would I subtract the polynomials vertically and just add an addition sign in between all the spaces (like in between -13 and x^2 to get 7 x^2) or just do it in one big chunk (subtracting the whole thing to get the answer: 7 x^2 y^2)?

Answer 1

-7 x^2 y^2