Plz tell me this
Plz

Answers
Ans 1 :
(a) 6a + 2a
8a
(b) 6xyz - 2xyz
4xyz
(c) 5m²n² - 11m²n²
- 6m²n²
(d) 5pqr - 4r + 3pqr - 5r
8pqr - 9r
(e) 18 + 2x² - x -1
17 + 2x² - x
(f) 3x² - 4x + x + 3
3x² - 3x + 3
(g) 4x² - 2x - 37x² + 92
-33x² - 2x + 92
(h) 29 - x - 18 - 2x + 15x
11 + 12x
(i) 17x² - 12x² - 2x + 87
5x² - 2x + 87
(j) x² + x + 1 + 2x² + 2x + 2
3x² + 3x + 3
Ans 2 :
(a) a + 2b + 4c - 3d - 3a - 8b - 2c + d
4a - 6b + 2c - 2d
(b) 5xy - 3x + 2y - 1 - 2xy - 7x - 8y + 6
3xy - 10x - 6y + 5
(c) 4x² - 7x - 3 - x² - 4x + 1
3x² - 11x - 2
(d) x² + x + 1 + 2x² + 2x + 2 - x² -x - 1
2x² + 2x
(e) (3x⁴ + 2x² + 2) - (x⁴ + 6x² + 12x - 1)
3x⁴ + 2x² + 2 - x⁴ - 6x² - 12x + 1
2x⁴ - 4x² + 3 - 12x
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