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Multiplying polynomials

Multiplying polynomials. (x + 8)(x – 10). F O I L. irst. uter. nner. x ∙ x. -10 ∙ x. 8 ∙ x. 8 ∙ -10. ast. x². -10x. +. 8x. -80. x² - 2x - 80. (4x - 3)(5x + 1). F O I L. irst. uter. nner. 4x ∙ 5x. 4x ∙ 1. -3 ∙ 5x. -3 ∙ 1. ast. +. 4x. 20x². -15x.

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Multiplying polynomials

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  1. Multiplying polynomials

  2. (x + 8)(x – 10) F O I L irst uter nner x ∙ x -10 ∙ x 8 ∙ x 8 ∙ -10 ast x² -10x + 8x -80 x² - 2x - 80

  3. (4x - 3)(5x + 1) F O I L irst uter nner 4x ∙ 5x 4x ∙ 1 -3 ∙ 5x -3 ∙ 1 ast + 4x 20x² -15x -3 20x² - 11x - 3

  4. (x + 3)(x – 7) x + 3 +3x x x2 -7x - 7 -21 X2 - 4x -21

  5. (2x - 1)(7x² -2x - 1) -1 ∙ -2x -1 ∙ -1 -1 ∙ 7x² 2x ∙ -1 2x ∙ 7x² 2x ∙ -2x -2x +2x +1 -7x² -4x² 14x³ -11x² +0x +1 14x³ 14x³ - 11x² + 1

  6. (x2+2x +7)(3x2-x -2 +2x +7 x2 6x3 3x2 3x4 21x2 -7x -x -2x2 -1x3 -2 -2x2 -4x -14 3x4 +5x3 +17x2 -11x -14

  7. Find the area of the shaded region 2x 8 3x 10x 10x ∙ 8 3x ∙ 2x 80x 6x² 80x - 6x² - 6x² + 80x

  8. Pages 565 – 5662 – 48 even

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