Thats not the case in other countries, just the us
1200/3=400
400x2=800
Answer=800 laptops
What do you mean put in standard form?
Distribute
(x-3)(x+9)=-27
x^2+6x-27=-27
add 27 to both sides
x^2+6x=0
factor out x
x(x+6)=0
set each to zero
x=0
x+6=0
x=-6
x=0 and or -6
x=-6 or 0