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How do I prove: (20²² - 17²² + 4³³ - 1) is divisible by 174. One thing I've noticed is that if you divide all the exponents of the numbers by 11, which would become (20² - 17² + 4³ - 1) is exactly equal to 174. I don't know...

it doesnt have answers....

lol what??!! sorry im only in year 10 ur gonna have 2 dumb it down for me lol

How do i factor: a⁴ + b⁴ +c² – 2 (a²b² + a²c + b²c)  Thanks

hey guys my work exp is in term 4...are there any tips for calling? anything i should say and how i should say it? i really wanna do either the sydney observatory or the Airway office thing...sounds awessommmee

thanks for that

I was just looking over my old yearly maths test paper when i saw this question. school's out so i can't ask my teacher. I would really appreciate it if you could help me on how to solve it. i'm kinda slow so a step by step procedure would be REALLY appreciated thanks in advance