exam Maths Puzzle Numerical Ability

how many roots does x^6-28x^3+27=0 have? (hint: trinomial expression, use y = x^3)

Read Solution (Total 0)

exam Other Question

x/2-41/3=-21/4 A department store advertised electric shavers at a sale price of $36. If this is a 20% discount, what was the original price?