Question

Plz tell me this

Plz ​

Answer 1

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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