book Maths Puzzle Numerical Ability

I need help
(x^2+2x)^2-5(x^2+2x)+6=0

and

x^1/2-11x^1/4+30

and

6x^3/5-24=0

Read Solution (Total 0)

book Other Question

3/2y-3/2y+4

i need to reduce each answer to lowest terms The Regal Book Store has 100 overstocked books to sell. The manager is going to mark some of the books $2 each and the remaining books $3 each. How many books must be priced at each price to recieve $245?