Maths help "/

X2+3xX-7 = 0

You need to think on a Number (X) and square that number, Add 3 then times by X and take seven away and you should get 0 as answer

But i cant find out what X is

Quote:

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Originally Posted by Jake.

X2+3xX-7 = 0

You need to think on a Number (X) and square that number, Add 3 then times by X and take seven away and you should get 0 as answer

But i cant find out what X is

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Is that advanced higher maths or something?

Not sure, just got it for homework

You might need a calculator :P

X = 4 i think

Quote:

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Originally Posted by Dave//

X = 4 i think

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That comes to 69

mayeb not then, i am rubbish at maths ;P

1.55?

i'm not sure how u do x2+3x=7 yet..

im stuck there

Quote:

---

Originally Posted by Jake.

X2+3xX-7 = 0

You need to think on a Number (X) and square that number, Add 3 then times by X and take seven away and you should get 0 as answer

But i cant find out what X is

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Doesn't 3xx mean 3 times x times x again?

n if that's right ^^ It's somewhere between 1.24 and 1.25

I think its between 1.54 and 1.55

Thanks, Any1 know the 100% correct answer?