Are you sure it's not :
t(3t^4 -4t^2 -15)
And:
t[(3t^2 + 5)(t^2 - 3)]
If so, I can explain it to you
English
-
Do you know what, youre completely right and thats why i couldnt get the answer lol. Thanks a bunch and cheers for not being sarcastic or rude like everyone else seems to be haha :)
-
Lol fair enough, I was looking at it going "I'm sure that's factorising quadratics and I know I'm rusty but how the heck do get that?!" Good luck for your A level :)
-
9 hours of maths leads to little mistakes like messing up positive and negative signs. Oh well, i just had myself worked up cause i could do all the hard stuff but i couldnt factorise something lol. Thanks i'm sure it'll be sweet