Factoring Quadratic Expressions using Trial and Error
Completely factor each of the following quadratic expressions using Trial and Error. Note: All of these expressions will factor. There are no prime quadratics listed.
x2−x−30\displaystyle {x}^{{2}}-{x}-{30}

Factored Form

  		x2−16\displaystyle {x}^{{2}}-{16}

Factored Form

 
x2−14x+49\displaystyle {x}^{{2}}-{14}{x}+{49}

Factored Form

  		x2+13x+42\displaystyle {x}^{{2}}+{13}{x}+{42}

Factored Form

 

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