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6-8 Solve Equations by Factoring

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6-8 Solve Equations by Factoring 9P10: Solve quadratic equations by factoring Example 1: Solve (5x+1)(x-7) = 0 5x-1 =0 or x-7=0 Set each factor equal to zero then ... – PowerPoint PPT presentation

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Title: 6-8 Solve Equations by Factoring


1
6-8 Solve Equations by Factoring
  • 9P10 Solve quadratic equations by factoring

2
Example 1 Solve
  • (5x1)(x-7) 0
  • 5x-1 0 or x-70

Set each factor equal to zero then solve
3
Example 2 Solve
  • x(2x - 9) 0
  • x 0 or 2x-9 0

Set each factor equal to zero then solve
4
Example 3 Solve
5
Example 4 Solve
Set equation equal to zero Then Set each factor
equal to zero to solve
6
Example 5 Solve
7
Example 6 Solve
  • (x1)(x-1) 8

8
Assignment
  • 6-8/289-290/4-68m4, 72-80
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