exam Maths Puzzle Numerical Ability

Can someone show me how to write the rational expression in lowest terms?

3s^2-9st-54t^2/3s^2-6st-72t^2

Read Solution (Total 0)

exam Other Question

You typed a 600 word essay in 12 minutes. Let w be the number of words you can type in one minute. Can w be 60? Factor; 4a^2-4a+1
I did it just like by this problem; a^2-9= a^2-3^2= (a+3)(a-3, but it was wrong.