Fun two consecutive integers whose product is 4 less than the square of the smaller number

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

Can someone show me step by step how to do this?

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921