Multiplying Polynomials Worksheet

Vedic maths trick 29: Algebra: longer expressions · Set 349 · 40 sums

The trick (Urdhva Tiryagbhyam): (ax² + bx + c)(dx + e): x³ = a×d; x² = a×e + b×d; x = b×e + c×d; number = c×e. (ax + by)(cx + dy): x² = a×c; xy = a×d + b×c; y² = b×d. Keep the signs; leave out a term whose total is 0. Type x³ as x^3.

1. 1.(2x² + x + 2)(2x + 2) =
2. 2.(x² − x − 1)(3x + 9) =
3. 3.(2x + y)(3x + 7y) =
4. 4.(3x² + x + 4)(x − 4) =
5. 5.(3x² + 2x − 1)(3x + 8) =
6. 6.(2x² − x + 1)(3x + 1) =
7. 7.(2x + 6y)(2x − 4y) =
8. 8.(3x² + x + 9)(x + 6) =
9. 9.(x² + x − 6)(3x + 9) =
10. 10.(x² − 2x + 8)(2x + 6) =
11. 11.(2x + 6y)(5x + 9y) =
12. 12.(2x² − x + 7)(x + 4) =
13. 13.(2x² − x − 6)(2x + 6) =
14. 14.(2x² − 4x − 1)(x + 7) =
15. 15.(x² + x − 6)(2x + 3) =
16. 16.(x − 9y)(2x − 9y) =
17. 17.(2x² − x + 5)(x + 3) =
18. 18.(3x² + 3x + 9)(2x + 1) =
19. 19.(x² + 5x + 8)(x + 4) =
20. 20.(2x² + 2x + 2)(3x + 8) =
21. 21.(2x² + 5x + 7)(3x + 2) =
22. 22.(2x + 9y)(4x + 3y) =
23. 23.(x + 2y)(x + 4y) =
24. 24.(2x² + 3x − 6)(x − 9) =
25. 25.(x² + 2x − 7)(3x + 4) =
26. 26.(3x² + 5x + 9)(2x + 4) =
27. 27.(5x − 5y)(3x + 2y) =
28. 28.(2x² − 5x + 7)(2x + 4) =
29. 29.(x² + 5x + 8)(2x + 2) =
30. 30.(x² + 2x + 2)(x − 5) =
31. 31.(3x² + x − 4)(3x + 5) =
32. 32.(x + 9y)(5x + y) =
33. 33.(3x² + 4x + 6)(2x − 4) =
34. 34.(x² + x − 5)(2x + 4) =
35. 35.(5x + 4y)(x + 2y) =
36. 36.(5x − 6y)(5x − 9y) =
37. 37.(2x² − 4x − 2)(3x + 9) =
38. 38.(2x² − 2x + 4)(x + 3) =
39. 39.(2x² + 4x − 2)(2x − 1) =
40. 40.(3x + 7y)(5x − 7y) =

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