No, it won't change the outcome.
The values of the coefficient are ax^2+bx+c=
48x^2-24x+84 and A= 48, B=-24, C=84.
(4x-2)•6(2x+7)=
6•2x+ 6•7
(4x-2)(12x+42)=
4x•12x= 48x^2 4x•42= 168.
-2•12x= -24x -2•42=-84
48x^2-24x+168-84=
48x^2-24x+84=
A= 48, B=-24, C=84
ax^2+bx+c= 48x^2-24x+84.
Yes, these are equivalent
let's label each pump A, B, and C, just for convenience. A fills the tank by 1/50 every minute, B fills the tank by 1/60 every minute, and C drains it by 1/75 every minute. Now we can put them all into one function: t(1/50 + 1/60 - 1/75) = 1, where t = our time in minutes and 1 = the tank being full.
next, we solve for t: t = 300/7 minutes, or approximately 42.86 minutes.
