Simplify (3x²-7)(5x-2)
divide 4x³-4x²-7x-20 by 2x-5
i would honestly really appreciate it if someone could explain these to me, my junior cert is in a month and a half and i'm struggling with theseee. and xox

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15