If a= 2b, then a-c= 2b-c? ? which property of equality is being used?

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)

not me

step-by-step explanation:

i wish i did i would like to get a desert ghost ball python