Question

SENDO A:=3x²+7X, B=- 4x²+5X -2 E C=6X+1 , DETERMINE A-B- C:

Answer 1

(3x² + 7x) - (-4x² +5x - 2) - (6x + 1)
3x² + 7x +4x² - 5x + 2 - 6x - 1
3x² + 4x² +7x - 5x -6x + 2 - 1
7x² + 7x -11x +1
7x² - 4x + 1