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.(5x − 4y)(x + y) =
- 2.(x² + 5x + 7)(2x + 7) =
- 3.(5x − 6y)(4x − 3y) =
- 4.(x² + 2x + 9)(x − 5) =
- 5.(2x² − 3x + 9)(x + 1) =
- 6.(2x² + 3x + 8)(x + 2) =
- 7.(3x² + 4x + 4)(3x + 5) =
- 8.(3x² + 3x − 2)(x − 8) =
- 9.(x² + 2x + 4)(2x − 1) =
- 10.(x² + 2x + 5)(x − 2) =
- 11.(3x² − 4x + 3)(3x + 3) =
- 12.(3x² − x + 5)(x + 1) =
- 13.(3x − 4y)(x − 4y) =
- 14.(3x² − 2x + 9)(2x + 2) =
- 15.(3x² + 2x + 5)(x + 3) =
- 16.(4x − 2y)(4x + 6y) =
- 17.(x² − 3x + 5)(x − 4) =
- 18.(2x² + 5x + 4)(x − 8) =
- 19.(x² + 5x + 9)(x + 3) =
- 20.(x² − x − 6)(2x + 1) =
- 21.(x² + 3x + 3)(3x + 5) =
- 22.(x² + 2x + 9)(3x + 8) =
- 23.(x² + 5x + 7)(2x − 7) =
- 24.(3x² + x + 1)(3x + 6) =
- 25.(2x² + 2x + 3)(3x + 1) =
- 26.(x² + x + 7)(x + 6) =
- 27.(2x² + 3x + 6)(3x + 4) =
- 28.(2x² + 4x + 3)(x + 2) =
- 29.(3x² − 4x − 3)(3x − 1) =
- 30.(3x² + 2x − 6)(2x + 5) =
- 31.(2x² − 2x + 1)(x + 1) =
- 32.(x² + x + 1)(3x + 4) =
- 33.(3x² + 4x + 3)(x + 6) =
- 34.(3x² + 4x − 6)(3x + 2) =
- 35.(4x − 4y)(2x + 9y) =
- 36.(3x² − 3x + 2)(2x + 1) =
- 37.(4x + 5y)(3x + y) =
- 38.(2x² + 2x − 3)(x + 9) =
- 39.(2x + 8y)(5x + 6y) =
- 40.(x² + x − 1)(3x + 6) =
Answer key
- 5x² + xy − 4y²
- 2x³ + 17x² + 49x + 49
- 20x² − 39xy + 18y²
- x³ − 3x² − x − 45
- 2x³ − x² + 6x + 9
- 2x³ + 7x² + 14x + 16
- 9x³ + 27x² + 32x + 20
- 3x³ − 21x² − 26x + 16
- 2x³ + 3x² + 6x − 4
- x³ + x − 10
- 9x³ − 3x² − 3x + 9
- 3x³ + 2x² + 4x + 5
- 3x² − 16xy + 16y²
- 6x³ + 2x² + 14x + 18
- 3x³ + 11x² + 11x + 15
- 16x² + 16xy − 12y²
- x³ − 7x² + 17x − 20
- 2x³ − 11x² − 36x − 32
- x³ + 8x² + 24x + 27
- 2x³ − x² − 13x − 6
- 3x³ + 14x² + 24x + 15
- 3x³ + 14x² + 43x + 72
- 2x³ + 3x² − 21x − 49
- 9x³ + 21x² + 9x + 6
- 6x³ + 8x² + 11x + 3
- x³ + 7x² + 13x + 42
- 6x³ + 17x² + 30x + 24
- 2x³ + 8x² + 11x + 6
- 9x³ − 15x² − 5x + 3
- 6x³ + 19x² − 2x − 30
- 2x³ − x + 1
- 3x³ + 7x² + 7x + 4
- 3x³ + 22x² + 27x + 18
- 9x³ + 18x² − 10x − 12
- 8x² + 28xy − 36y²
- 6x³ − 3x² + x + 2
- 12x² + 19xy + 5y²
- 2x³ + 20x² + 15x − 27
- 10x² + 52xy + 48y²
- 3x³ + 9x² + 3x − 6
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