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#1 2014-01-26 10:14:55

bronxsystem
Member
Registered: 2013-06-22
Posts: 63

basic equation help super easy

hey all i dont know what im missing here ):

i thought we first square everything

then subtract 2

then divide by 4

but i get wrong answer. what did i do wrong ><

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#2 2014-01-26 10:31:50

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,582

Re: basic equation help super easy

Hi;

The mistake is in your second step

It should be


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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#3 2014-01-26 10:38:43

bronxsystem
Member
Registered: 2013-06-22
Posts: 63

Re: basic equation help super easy

thank you makes sense i was completely stuck

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#4 2014-01-26 10:46:43

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,582

Re: basic equation help super easy

Hi;

Okay, if you need help post back.


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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