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10.1 Homework Problems: Factoring Polynomials

1. Find the GCF of each set of terms

a.  {9,14,22}

b.  {5, 15, 20}

c.  {6, 20, 42}

d.  {8a3, 16a4, 20a2}

e.  {26ab2, 39a2b, 52a2b2}

f.  {8x2y3, 32x2y, 64x2y2}

2.  Simplify each expression

a.  [latex]\frac{9x^5}{3x^2}[/latex]

b.  [latex]\frac{21x^4y^3}{-3xy^2}[/latex]

c.  [latex]\frac{-36x^2y}{-12xy^3}[/latex]

d.  [latex]\frac{-144x^3y^7}{72x^8y^2}[/latex]

3. Complete the factoring

a.  13ab2 + 13ab = 13ab ( _______________ )

b.  – 5xy­2 – 20x2y – 5xy = –5xy (_______________)

4. Factor each of the polynomials by finding the GCF

a.  11x – 121

b.  10x2y – 25xy

c.  6x2y – 25xy

d.  – 56x4z3 – 98x3z4 – 35x2z5

5.  Factor each expression by grouping

a.  7y2(y +3) + 2(y +3)

b.  10y(2y +3) – 7(2y +3)

c.  bx + b + cx + c

d.  5xy + yz – 20x – 4z

e.  10xy – 2y2 + 7yz – 35xz

f.  5xy + 6uv – 3vy–10ux

 

Unit 10.1 Printable Copy

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