Answer:
6x²-26x+31
Step-by-step explanation:
(x²-3x+5)(2x-7)
=2x³-7x²-6x²+21x+10x-35
=2x³-13x²+31x-35
Now to differentiate:
dx=6x²-26x+31
Answer:
OPTION A: 
Step-by-step explanation:
We should know that:

So, 

This is equivalent to 
Hence, OPTION A is the answer.
Answer:
3 20/100
Step-by-step explanation:
1.) 12+x is greater than or equal to 20
2.) 14 is greater than it equal to x
3.) 50 is greater than or equal to x
Number one would be no solution