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/sci/ - Science & Math

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>> No.6223504 [View]
File: 3 KB, 194x65, 1386968310873.jpg [View same] [iqdb] [saucenao] [google]
6223504

>>6223502
well 11 is prime so seeing as it aint 10 or 12 i'll have to QC
<<<
irritating, but hey, if it dont factorisze, aint my fault isit?

>> No.5575005 [View]
File: 3 KB, 194x65, quadraticequation.jpg [View same] [iqdb] [saucenao] [google]
5575005

>>5574997
soooo, quadratics?
yeh, most factorise
for those that don't
<<<
it's the only way, hun.

>> No.4684667 [DELETED]  [View]
File: 3 KB, 194x65, quadraticequation.jpg [View same] [iqdb] [saucenao] [google]
4684667

>>4684660
its a quadratic, i guess i can start you off:

3x(x-2) + 4x - 4 = 20
3x^2 - 6x + 4x - 4 = 20
3x^2 -2x = 24

it doesnt factorise.

>> No.1988692 [View]
File: 3 KB, 194x65, quadraticequation.jpg [View same] [iqdb] [saucenao] [google]
1988692

ti s 0.699
or -1.17
to 3sf

...so 0.7 is correct OP.
quadratic formula is this, in case you don't know it. where 4.9t^2 + 2.3t - 4 = Ax^2 +Bx +C

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