00:08
At equilibrium, demand is equal to supply.
00:15
So, minus x square by 10 minus x plus 40 is equal to x square by 10 plus 2x plus 20, which we get it as x square by 5 plus 3x minus 20 is equal to 0.
00:35
Further, x square plus 15x minus 100 is equal to 0.
00:43
So, we get x square plus 20x minus 5x minus 100 is equal to 0.
00:53
So, the value of x then will be x bracket x plus 20 minus 5 bracket x plus 20, which is equal to 0.
01:01
So, we have x plus 20 and x minus 5 is equal to 0.
01:10
So, x is equal to 5 over here firstly.
01:17
So, when p is of the value 5, we get minus 25 by 10 minus 5 plus 40.
01:30
Evaluating it, we get 32 .5...