Question

Factorize--
100y-y^2-2475

Answer 1

Answer:

X = 55 , 45

Step-by-step explanation:

100y-y²-2475=0

D=b²-4ac

  =10000-4(-1)(-2475)

  =10000-9900

   =100

$\sqrt{D}$ =  ±10

X = -b±$\sqrt{D}$ / 2a

   = -100 ± 10/-2

X = 55 , 45