Distributive
5d + 12 - 4d = 36
Combining like terms
d + 12 = 36
Solve
d = 24
Set f(x) equal to zero and solve. Use the zero product property.
f(x) = 0
(x-9)(x+12)(x-24) = 0
x-9=0 or x+12=0 or x-24=0
x=9 or x=-12 or x=24
The zeros or roots of the polynomial are: 9, -12, 24
Answer is choice C
474 rounds as ones to 475, in the tens place it rounds to 480 in the hundred it is 500
If your looking for the equation then this is it.
7 - (4×n)
