Question

4x+9/x=6 then, 16x³+2=?

Answer 1

Answer:

4x+9/x=6

4x+9=6x

Or, 4x-6x= -9

-2x = -9

x = -9/-2=4.5

So,

16x^3 +2=(16*4.5*4.5*4.5) +2=1458+2=1460