Question

after subtraacting 3x^2 +4x -5 from 7x^2 +x +9 results in a polynomial. After subtracting 4x^2 - 3x from this polynomial, the difference is?

Answer 1

14

Explanation:

7x^2 + x + 9 - ( 3x^2+4x-5) - ( 4x^2-3x) =

(7x^2 -3x^2 -4x^2) + (x-4x+3x) + (9+5) = 14