Add or subtract, as indicated. $-(8x^3+x-3)+(2x^3+x^2)-(4x^2+3x-1)$

Add or subtract, as indicated. $3(8p^2-5p)-5(3p^2-2p+4)$

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. 9

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. $\left(2/3\right)t^6+\left(3/t^5\right)+1$

Identify each expression as a polynomial or not a polynomial. For each polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these. $15a^2{b}^3+12a^3{b}^8-13b^5+12b^6$

Perform the indicated operations. (10m⁴-4m²)/2m

Perform the indicated operations. -2x³(x⁴-8)

Find each product. [(4y-1)+z]²