Solving Quadratics by Factoring

Solving Quadratics by Factoring

Let's work through one together!

•  $x^2+2x-3=0$  

• First: Move all terms to one side

• Second: FACTOR!

• Third: Set each factor equal to 0 and SOLVE!

• Fourth: Write solution set!

Lets work through another one together

 $x^2-16=0$  

Lets work through another example together!

 $2x^2-2x-24=0$  

Multiple Choice

 $x^2-4=0$  

• (2.2)

• (0,4)

• (-2,2)

• (0,-4)
  

Multiple Choice

 $x^2+7x+12=0$  

• (4,3)

• (-4,-3)

• (6,2)

• (-6,2)

Multiple Choice

 $3x^2-3x-36=0$  

• (3,6)

• (-3,3

•  $\left(-4,3\right)$  

•  $\left(4,3\right)$