Quadratic Equations?????

Jan 2020
3
0
Antartica
Do Quadratic Equations use FOIL?
 
Oct 2018
129
96
USA
You can use FOIL to get a quadratic equation. For example,

$(x+1)(x+2) = x^2 + 3x+ 2$
 
Jan 2020
3
0
Antartica
thanks that helped a lot