In a sale, the price of a sofa is reduced by 70%. The sale price is £255 What is the price before the sale?

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

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Have yall ever just farted and was like, i farted.