Question

(5a2 + 4ab – 3b2) – (–5ab + 4b2 + 3a2) =

Answer 1

You can answer this with modern calculators very easily.

Answer 2

See below.

Explanation:

(5a^2 + 4ab – 3b^2) – (–5ab + 4b^2 + 3a^2)

5a^2+4ab-3b^2+5ab-4b^2-3a^2

(5a^2-3a^2)+(4ab+5ab)+(-4b^2-3b^2)

2a^2+9ab-7b^2

-hope it helps