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Solving polynomials with the unknown "b" from ax^2 + bx + c

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Now Playing:Solve complex polynomials with unknown b – Example 1a
Examples
  1. Determine all integers k of the following trinomials.
    1. 2x2+kx−5{2x^2+kx-5}

    2. 3x2+kx+4{3x^2+kx+4}

Common factors of polynomials
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Notes
In this section, we will learn how to find all the possible answers to the unknown "b" in the polynomials ax2+bx+c{ax^2 + bx+c}. Similar to the earlier sections in this chapter, we are going to apply trinomial factoring to reverse the process of FOIL to solve the problems.