Simplify 18+3(x-4)+6 a.3x+6 b.3x-6 c.3x+12 d.3x-12

The answer is C) 3x + 12

Step-by-step explanation:

To simplify this, start by distributing the 3.

18+3(x-4)+6

18 + 3x - 12 + 6

Now combine terms

3x + 12

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.