Since there are 10 hundreds in every thousand, a 4 in the thousands place will represent a value 10 times greater than a 4 in the hundreds place.
(2x+3) ^2 −6x−9=0
(2x+3) (2x+3) −6x−9=0
Foil
4x^2 +6x+6x+9-6x-9=0
4x^2 +12x+9-6x-9=0
Combine like terms
4x^2 +6x=0
factor out 2x
2x(2x+3)=0
2x=0 2x+3=0
x=0 2x=-3
x=-3/2
Answer x=-3/2, 0
