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.(x − 2y)(x − 6y) =
- 2.(x² − 2x + 2)(x + 6) =
- 3.(x² + 3x + 3)(3x + 1) =
- 4.(3x² + 5x + 6)(3x − 1) =
- 5.(x² − 5x + 4)(3x + 7) =
- 6.(x² − 3x + 3)(3x + 2) =
- 7.(x² − 4x + 9)(x − 2) =
- 8.(3x + 4y)(x − 8y) =
- 9.(2x + y)(4x + 2y) =
- 10.(x² − 2x + 3)(x + 3) =
- 11.(2x² + 4x − 1)(3x − 9) =
- 12.(3x² + 4x + 4)(2x + 3) =
- 13.(5x − 4y)(4x + y) =
- 14.(3x² + 3x + 1)(x + 1) =
- 15.(3x² − x + 3)(3x − 2) =
- 16.(4x + 9y)(3x + 4y) =
- 17.(x² − x + 1)(2x + 6) =
- 18.(x² + 2x + 7)(x + 1) =
- 19.(x − 2y)(x − 6y) =
- 20.(x² − 5x + 9)(2x − 4) =
- 21.(5x − y)(x + 8y) =
- 22.(x² − 2x + 9)(2x + 9) =
- 23.(x² + 3x + 4)(x + 5) =
- 24.(2x² + x − 6)(2x − 1) =
- 25.(2x − 3y)(x − 6y) =
- 26.(x + 6y)(5x − 4y) =
- 27.(3x² + 2x + 2)(3x + 7) =
- 28.(2x + y)(5x + 7y) =
- 29.(3x² + 5x + 8)(2x + 8) =
- 30.(x² + x + 6)(2x + 6) =
- 31.(x² − 2x − 5)(2x + 7) =
- 32.(x² + 5x − 8)(3x + 1) =
- 33.(4x + 9y)(x − 2y) =
- 34.(5x + 3y)(x + 6y) =
- 35.(3x + y)(x + 2y) =
- 36.(2x + y)(5x + 2y) =
- 37.(x² + x + 1)(2x + 6) =
- 38.(2x² − 5x + 2)(x + 1) =
- 39.(x² + 2x + 9)(3x + 2) =
- 40.(x² + 3x + 2)(x + 1) =
Answer key
- x² − 8xy + 12y²
- x³ + 4x² − 10x + 12
- 3x³ + 10x² + 12x + 3
- 9x³ + 12x² + 13x − 6
- 3x³ − 8x² − 23x + 28
- 3x³ − 7x² + 3x + 6
- x³ − 6x² + 17x − 18
- 3x² − 20xy − 32y²
- 8x² + 8xy + 2y²
- x³ + x² − 3x + 9
- 6x³ − 6x² − 39x + 9
- 6x³ + 17x² + 20x + 12
- 20x² − 11xy − 4y²
- 3x³ + 6x² + 4x + 1
- 9x³ − 9x² + 11x − 6
- 12x² + 43xy + 36y²
- 2x³ + 4x² − 4x + 6
- x³ + 3x² + 9x + 7
- x² − 8xy + 12y²
- 2x³ − 14x² + 38x − 36
- 5x² + 39xy − 8y²
- 2x³ + 5x² + 81
- x³ + 8x² + 19x + 20
- 4x³ − 13x + 6
- 2x² − 15xy + 18y²
- 5x² + 26xy − 24y²
- 9x³ + 27x² + 20x + 14
- 10x² + 19xy + 7y²
- 6x³ + 34x² + 56x + 64
- 2x³ + 8x² + 18x + 36
- 2x³ + 3x² − 24x − 35
- 3x³ + 16x² − 19x − 8
- 4x² + xy − 18y²
- 5x² + 33xy + 18y²
- 3x² + 7xy + 2y²
- 10x² + 9xy + 2y²
- 2x³ + 8x² + 8x + 6
- 2x³ − 3x² − 3x + 2
- 3x³ + 8x² + 31x + 18
- x³ + 4x² + 5x + 2
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