Question

write in roster form. C={x:x €N and x^3-8x^2+15x=0}​

Answer 1

Step-by-step explanation:

in roaster form

x³-8x²+15x=0

x(x²-8x+15)=0

x²-8x+15=0

x²-5x-3x+15=0

x(x-5)-3(x-5)

(x-3)(x-5)=0

then

x=3,5

C={3,5}