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 Depdendent Variable

 Number of equations to solve: 23456789
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 Dependent Variable

 Number of inequalities to solve: 23456789
 Ineq. #1:
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Quick Check for Factoring Polynomials

 Number Of Terms CHECK FOR Two Three Four or M Greatest Common Factor   Grouping by Pairs Difference of Squares a2- b2 = (a + b)(a - b) Perfect Square Trinomial a 2+2ab+b2 =(a+b)2 a2 -2ab+b2 =(a-b)2 Grouping method ( Product / Sum method ) or Reverse FOIL Points to Remember:

1. Always look for a GCF first, no matter how many terms are
in the polynomial .

2. A sum of squares is prime (unless there is a GCF).

3. You can only ‘insert’ the pair of numbers (found when
using grouping to factor a trinomial ), if the leading
coefficient is a 1.

4. Always write a trinomial in descending order (if there is
one variable ) before trying to factor using grouping or
reversing FOIL.

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