Multiplying Polynomials Worksheet
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.(3x² + 3x − 6)(x + 8) =
- 2.(5x + y)(5x + 4y) =
- 3.(5x − 4y)(x − 7y) =
- 4.(2x − 3y)(2x + 5y) =
- 5.(x² + 5x + 4)(x − 1) =
- 6.(3x² + x + 1)(3x + 7) =
- 7.(2x² − x − 6)(2x + 7) =
- 8.(5x + y)(x + 5y) =
- 9.(x² + 5x − 8)(x − 4) =
- 10.(5x − y)(5x + 9y) =
- 11.(x + 9y)(x + 9y) =
- 12.(x² + x + 4)(x + 4) =
- 13.(x² + 3x + 4)(2x + 9) =
- 14.(2x² − 2x + 2)(x − 8) =
- 15.(2x − y)(3x − 6y) =
- 16.(3x² + 4x + 4)(2x + 3) =
- 17.(x² − 3x − 9)(3x + 6) =
- 18.(2x² − 3x − 7)(x + 8) =
- 19.(3x − 3y)(x + 2y) =
- 20.(2x − 3y)(3x + 9y) =
- 21.(2x² + 4x + 5)(x + 5) =
- 22.(3x² + 3x + 1)(3x − 5) =
- 23.(x − y)(5x − 9y) =
- 24.(3x² − 2x − 5)(2x + 2) =
- 25.(2x² + 2x + 6)(2x + 3) =
- 26.(4x − 7y)(4x − 5y) =
- 27.(x + 9y)(x + 8y) =
- 28.(3x² + 2x + 3)(x + 6) =
- 29.(x − 8y)(4x + 6y) =
- 30.(3x + 8y)(2x + 3y) =
- 31.(2x² + x + 4)(x + 4) =
- 32.(3x² + x + 5)(x + 4) =
- 33.(2x² + x + 7)(x + 5) =
- 34.(3x + 5y)(x + y) =
- 35.(x² + 2x + 6)(x + 4) =
- 36.(3x² + 2x + 7)(3x − 8) =
- 37.(5x − 9y)(x + 2y) =
- 38.(4x + y)(4x + y) =
- 39.(3x + 7y)(x + 3y) =
- 40.(3x² − 5x + 8)(3x − 7) =
Answer key
- 3x³ + 27x² + 18x − 48
- 25x² + 25xy + 4y²
- 5x² − 39xy + 28y²
- 4x² + 4xy − 15y²
- x³ + 4x² − x − 4
- 9x³ + 24x² + 10x + 7
- 4x³ + 12x² − 19x − 42
- 5x² + 26xy + 5y²
- x³ + x² − 28x + 32
- 25x² + 40xy − 9y²
- x² + 18xy + 81y²
- x³ + 5x² + 8x + 16
- 2x³ + 15x² + 35x + 36
- 2x³ − 18x² + 18x − 16
- 6x² − 15xy + 6y²
- 6x³ + 17x² + 20x + 12
- 3x³ − 3x² − 45x − 54
- 2x³ + 13x² − 31x − 56
- 3x² + 3xy − 6y²
- 6x² + 9xy − 27y²
- 2x³ + 14x² + 25x + 25
- 9x³ − 6x² − 12x − 5
- 5x² − 14xy + 9y²
- 6x³ + 2x² − 14x − 10
- 4x³ + 10x² + 18x + 18
- 16x² − 48xy + 35y²
- x² + 17xy + 72y²
- 3x³ + 20x² + 15x + 18
- 4x² − 26xy − 48y²
- 6x² + 25xy + 24y²
- 2x³ + 9x² + 8x + 16
- 3x³ + 13x² + 9x + 20
- 2x³ + 11x² + 12x + 35
- 3x² + 8xy + 5y²
- x³ + 6x² + 14x + 24
- 9x³ − 18x² + 5x − 56
- 5x² + xy − 18y²
- 16x² + 8xy + y²
- 3x² + 16xy + 21y²
- 9x³ − 36x² + 59x − 56
Free vedic maths lessons, practice and worksheets at talentjr.in/vedic-maths