7 3 multiplying polynomials
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This document discusses four methods for multiplying binomial expressions: algebra tiles, the distributive property, a table or "box" method, and FOIL. It explains that every term in the first binomial must be multiplied by every term in the second binomial. Examples are provided of multiplying binomials such as (x + 2)(x + 5), along with practice problems like (x + 3)(x - 4) and (2p - 4)(3p + 2).
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7 3 multiplying polynomials
- 2. 4 methods: Algebra Tiles Distributive Property Table/ “Box” Method FOIL
- 3. Every term of the front binomial must get multiplied by every term of the other. Example: (x + 2)(x + 5) (x + 2)(x + 5) = x(x + 5) + 2(x + 5) = x(x) + x(5) + 2(x) + 2(5) = x2 + 5x + 2x + 10 = x2 + 7x + 10
- 4. Find the product. (x + 3)(x – 4)
- 5. Find the product. (y + 4)(y + 1) (z – 2)(z + 6)
- 6. Find the product. (3m + 1)(m + 9)
- 7. Find the product. (-x + 3)(2x - 1)
- 8. Find the product. (2p – 4)(3p + 2)