← Algebra: longer expressions lesson New set →

Multiplying Polynomials Worksheet

Vedic maths trick 29: Algebra: longer expressions · Set 174 · 40 sums
TalentJR

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.

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

Answer key

  1. 2x³ + 7x² − 2x − 16
  2. 4x³ − 4x² − 3x − 30
  3. x³ + 6x² + 10x + 3
  4. 2x³ − 5x² + 13x + 8
  5. 12x² + 12xy − 72y²
  6. 6x³ + 29x² + 18x − 35
  7. 4x³ + 18x² + 24x + 35
  8. 6x³ + 5x² + 21x − 18
  9. 2x³ − 14x + 12
  10. x³ + 9x² + 17x − 15
  11. 8x² + 22xy + 5y²
  12. x³ + 7x² + 14x + 6
  13. 3x³ + 28x² + 35x + 24
  14. x³ + 2x + 3
  15. 6x³ + 29x² + 10x − 63
  16. 6x³ + 6x² − 21x − 18
  17. 15x² + 35xy + 20y²
  18. 6x³ + 9x² + 19x + 8
  19. 2x² + 11xy + 5y²
  20. 6x³ + 9x² + 21x + 9
  21. 12x² + xy − y²
  22. 5x² + 12xy + 4y²
  23. 4x³ + 12x² − 10x − 18
  24. 3x² + 11xy + 10y²
  25. 20x² + 39xy + 18y²
  26. 5x² − 14xy + 9y²
  27. 4x³ − 2x² − 30x − 27
  28. 9x³ + 33x² + 30x + 36
  29. 12x² + 39xy + 9y²
  30. 2x³ + 16x² + 42x + 36
  31. 2x³ + 16x² + 34x + 8
  32. 2x³ − 2x² + 4x + 8
  33. 12x² − 21xy + 9y²
  34. x² − 9xy + 14y²
  35. x³ + 8x² + 3x − 28
  36. 8x² + 20xy + 8y²
  37. 2x³ − 4x² − 28x + 6
  38. 5x² + 54xy + 81y²
  39. 5x² + 32xy + 12y²
  40. 9x³ − 3x² + x + 1

Free vedic maths lessons, practice and worksheets at talentjr.in/vedic-maths