Question

When 3g^2 -4g+2 I subtracted from 7g^2+5g-1 The difference is???

Answer 1

I assume you mean that you did (7g^2 + 5g - 1) - (3g^2 - 4g + 2). The answer to that would be 4g^2 + 9g - 3. I hope this helps! Let me know if you need an explanation or working :)