exam Maths Puzzle Numerical Ability

please help

simplify

(3x^-2y)(2x^-3y^-2)

Read Solution (Total 0)

exam Other Question

6x+5x+1=0 1) x^2-13x+30=0
2) x^-0.7x-0.44=0
I never really understood how to solve qudratic equations which are equal to zero.