Page 352 - Algebra 1
P. 352
Exploration Using Algebra Tiles to Add or Subtract Polynomials Usealgebratilestofind(x2 +3x-3)+(2x-x+2).
a. Model each expression using algebra tiles.
(x2 +3x-3) (2x2 -x+2)
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Materials
algebra tiles
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b. Rearrange tiles so that like terms are together. -+
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d. The remaining tiles represent the sum. -
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Thesumis 3x2 +2x-1.
e. Model Use algebra tiles to find (2x2 + 3x) + (2x - x2) - x2.
c. Remove the zero pairs.
Lesson 53 337
