Ответ:
1) (2x^2 - 5x - 2) + (3x - 2 + x^2) = 2x^2 - 5x - 2 + 3x - 2 + x^2 = 3x^2 - 2x - 4;
2) (2x^2 - 5x - 2) - (3x - 2 + x^2) = 2x^2 - 5x - 2 - 3x + 2 - x^2 = x^2 - 8x.
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
1) (2x^2 - 5x - 2) + (3x - 2 + x^2) = 2x^2 - 5x - 2 + 3x - 2 + x^2 = 3x^2 - 2x - 4;
2) (2x^2 - 5x - 2) - (3x - 2 + x^2) = 2x^2 - 5x - 2 - 3x + 2 - x^2 = x^2 - 8x.