This is the speed of light formula.

This is the quadratic formula.

This is the zero product property.

This is scary.

a=0, b=5, c=7

a=1, b=5, c=7

a=7, b=5, c=1

Get factored form

Write down: a=1, b=6, c=-13

Make it equal 0 by subtracting 3 on each side

Type it all in a calculator.

-1.5 or 5

No Solution

-5 or 1.5

0.7 or 5

-10 & -4

-4 & 10

-8 & 4

8 & -4

 $\frac{-11\pm\sqrt{131}}{18}$  

 $\frac{11\pm\sqrt{131}}{18}$  

 $\frac{11\pm\sqrt{131}}{-18}$  

 $\frac{11\pm i\sqrt{373}}{18}$  

 $\frac{-3\pm\sqrt{345}}{24}$  

 $\frac{3\pm\sqrt{345}}{-24}$  

 $\frac{3\pm\sqrt{345}}{24}$  

 $\frac{3\pm i\sqrt{39}}{24}$  

 $\frac{-9\pm i\sqrt{95}}{22}$  

 $\frac{-9\pm\sqrt{95}}{22}$  

 $\frac{9\pm i\sqrt{95}}{22}$  

 $\frac{9\pm\sqrt{95}}{22}$  

Two real solutions that are different

Two imaginary solutions that are different

One real solution

One imaginary solution

Two real solutions that are different

Two imaginary solutions that are different

One real solution

One imaginary solution