Question

find the third questions​

Answer 1

Answer:

x^2 -30x + 125 = 0

Step-by-step explanation:

area of pen = 60x - 2x^2

given, are = 250

then,

-2x^2 + 60x = 250

=> 2x^2 -60x = -250

=> 2x^2 -60x + 250 = 0

=> 2( x^2 -30x +125 ) = 0

=> x^2 - 30x + 125 = 0 , ur required ans