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Aim: How do we multiply a binomial by a binomial?

Aim: How do we multiply a binomial by a binomial?. Do Now: 4x (x + 5) 3x ( + 3x -2). Agenda. Homework Review Homework # 6 Review of yesterday’s lesson Lesson Practice. Homework #6 . (b -8) (b – 10) (6 + y) (5 + y) (x – 3) ( x -3) (5x – 2) (x – 2). Answers to homework #5.

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Aim: How do we multiply a binomial by a binomial?

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  1. Aim: How do we multiply a binomial by a binomial? Do Now: 4x (x + 5) 3x ( + 3x -2)

  2. Agenda • Homework Review • Homework # 6 • Review of yesterday’s lesson • Lesson • Practice

  3. Homework #6 • (b -8) (b – 10) • (6 + y) (5 + y) • (x – 3) ( x -3) • (5x – 2) (x – 2)

  4. Answers to homework #5 • 3(x+4) = 3x + 12 • 4 (3x +2) = 12 • y(x+4) = yx + 4y • 7z(6) = 42z • -5(15c – 4c) = -55

  5. What do we remember about distributive property?

  6. Remember how we multiply a monomial and polynomial… (4x) (3x + 5) = (4x) (3x) + (4x) (5) = 12 + 20x Let’s try…

  7. Double Distributive (4x + 5) (3x – 5) • Multiply (distribute) the first term times EACH of the terms in the second binomial.  2) Multiply the second term times EACH of the terms in the second binomial. 

  8. (4x + 5) (3x – 5) 3)Multiply the terms (4x)(3x) + (4x)(-5) + (5)(3x) + (5)(-5) 4) Add like terms

  9. Together again! (x + 3) (x-4)

  10. Practice! • (x + 4) (x + 4) • (x + 5)(x+ 6) • (x+ 5) (x -1)

  11. What does mean?

  12. Perform the indicated property:

  13. Together!

  14. Practice!

  15. Exit Slip On a separate sheet of paper with your first and last name on it. Do the following: • (6x-4)(x+2)

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