Question

Perform the indicated operation to write given polynomial in standard form: (5x^2 − 3x − 7) − (x^2 +2x − 5)

Answer 1

4x^2 -5x -2

Explanation:

= 5x^2 -3x -7 -x^2 -2x +5

= (5 -1)x^2 +(-3 -2)x +(-7 +5)

= 4x^2 -5x -2