Answers

  • Brainly User
2015-12-09T16:46:51+08:00
Rule on Subtraction of polynomials:  Change the sign of each term of the subtrahend, then proceed to addition:

Subtrahend:  5 - 4x becomes -5 +4x or 4x - 5

Combine similar terms:
(4x² + 3x - 3) + (4x - 5)
= 4x² + 3x + 4x - 3 -5
= 4x² + 7x - 8

ANSWER:  4x² + 7x - 8
1 5 1