Answer:
c
Step-by-step explanation:
just substitute a big number into x like 10^6 as it approaches
and a big negative number like -10^6 as it approaches
(x+3)(2x+3)
Factor:
2x^2+9x+9
=(2x+3)(x+3)
(6x-5y)(20y-23x)
x(6x - 5y) - 4(6x - 5y)^2
= (6x-5y)(x-4(6x-5y))
= (6x-5y)(x-24x+20y)
= (6x-5y)(20y-23x)