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/sci/ - Science & Math


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4458529 No.4458529[DELETED]  [Reply] [Original]

Are you ready for this shit?
Are you ready?
Are you?

Show that x²-5x-84=0

Without the trial and improvement method.

>> No.4458537
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4458537

lol wat!??
...its just easier to call you stupid

>> No.4458542

>>4458537

Sounds like someone can't do it.

>> No.4458543
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4458543

>>4458540
>not_amused.png
>doesnt understand how to correctly use the sadfrog meme

>> No.4458540
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4458540

>> No.4458546

(x + 7)(x - 12) = 0

x = -7 or 12

thank me for doing your h/w

>> No.4458547
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4458547

>>4458542
>"for a GIVEN VALUE OF X show that equation equals zero."
>"solve for X"

...pick ONE!
jackass!

>> No.4458548

1) Given: x²-5x-84=0
QED

>> No.4458554

Once again /sci/ fails at math. How not suprising. They will probably mistake it for a "solve for x" highschool math problem.

>> No.4458556

>>4458546
and that would be SOLVING FOR X
...which isnt what OP asked for, is it hun?

>> No.4458561
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4458561

>>4458546
That was the easiest, shit goes down when
Expand and Simplify (x+y) (x-y), That's if you can do it ofcourse.

>> No.4458560
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4458560

also, OP is clearly fucking 12
GTFO

>> No.4458559
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4458559

>>4458543

>> No.4458569

>>4458556
a valid way to show that it equals 0 is to find particular examples of x that make it equal 0

easier than using the discriminant, maybe

>> No.4458573
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4458573

>>4458569
but it doesnt ALWASY EQUAL ZERO, does it, hun?

>> No.4458574

>>4458561
x^2 + y^2

i'm not even trolling

>> No.4458579

>>4458569
>>4458561
>>4458560
>>4458556
>>4458548
>>4458546
>>4458537
Your lack of mathematical education amuses me.

>> No.4458580

>>4458573
i see no "always" in OP's post

>> No.4458586
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4458586

>>4458573
>>4458580

>> No.4458591

>>4458586
EK doesn't troll. she's just genuinely both annoying and wrong.

>> No.4458588
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4458588

>>4458574
>not even trolling
funny that you're WRONG then!
its a minus sign, dickhead!

>>4458579
<<<

>>4458580
nor any 'ALWASY'?

>> No.4458593

>>4458591
im right, OP's question is shit.
if it were 'solve for x' then obviously its trivial fucking 12 year old stuff, otehr than that, hes doing a 'show that' question with a FUCKING VARIABLE!

...daft cunt!

>> No.4458594

>>4458588
that's because i was trolling

i want OP to get 2/10 at best on this h/w

now quiet down so i can feed him incorrect answers

>> No.4458597
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4458597

>>4458594
...ah
in which case, troll on, hun!