Someone please help i don’t get it

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Find the nonpermissible replacement for binthis expression.b2/5b +5

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge