/sci/ - Science & Math » Thread #13217719

41KiB, 750x752, f8af98c78198528ebc79a414fae051a9.jpg

View Same Google iqdb SauceNAO

Help pls

Anonymous Mon 31 May 18:24:35 2021 No.13217719 View Reply Original Report

Quoted By: >>13217728

7x2-28=0.
How to solve this?

Ps. I know im a retard.

Anonymous

Anonymous Mon 31 May 2021 18:26:00 No.13217728 Report

Quoted By: >>13217779

>>13217719
7x2 = 28
x14 = 28
x = 2

Anonymous

Anonymous Mon 31 May 2021 18:28:06 No.13217736 Report

Quoted By:

Correction: 7x2.
Ive heard a discriminant might be used. Or does the solution still work?

Anonymous

Anonymous Mon 31 May 2021 18:29:35 No.13217744 Report

Quoted By: >>13217770

Fuck, i mean, the number is kinda floating above the x. Idk how in english it is 7x to the power of 2 i think its called.

Anonymous

Anonymous Mon 31 May 2021 18:34:51 No.13217762 Report

Quoted By:

square root of 2

Anonymous

Anonymous Mon 31 May 2021 18:36:47 No.13217770 Report

Quoted By: >>13217918

>>13217744
$7x^2 = 28$
$x^2 = 4$
$x = \pm 2$

Anonymous

Anonymous Mon 31 May 2021 18:39:08 No.13217779 Report

Quoted By: >>13217784

>>13217728
>7x2 = x14
what?

Anonymous

Anonymous Mon 31 May 2021 18:39:59 No.13217784 Report

Quoted By: >>13217813

>>13217779
what? x is a variable

Anonymous

Anonymous Mon 31 May 2021 18:46:57 No.13217813 Report

Quoted By: >>13217830 >>13217832

>>13217784
I haven't done any of this shit in a long time. So you only don't mix terms in binomials?
7x * 2 or is it 7x^2 and its all one term?

Anonymous

Anonymous Mon 31 May 2021 18:49:25 No.13217830 Report

Quoted By: >>13217843

>>13217813
it's 7*x*2 which is equivalent to 7*2*x which is 14*x = 14x

Anonymous

Anonymous Mon 31 May 2021 18:49:43 No.13217832 Report

Quoted By: >>13217843

>>13217813
7x * 2 is 7x multiplied by two, which would be the same thing as 14x.
7x^2 would be 7x to the power of two, $7x^2$

Anonymous

Anonymous Mon 31 May 2021 18:52:56 No.13217843 Report

Quoted By:

>>13217832
>>13217830
Thanks anons, I've overcomplicated it for no reason.

Anonymous

Anonymous Mon 31 May 2021 19:10:38 No.13217918 Report

Quoted By:

Think he meant 7x**2
see>>13217770
for the answer

Capcode	All Only User Posts Only Moderator Posts Only Admin Posts Only Developer Posts
Show Posts	All Only With Images Only Without Images
Deleted Posts	All Only Deleted Posts Only Non-Deleted Posts
Ghost Posts	All Only Ghost Posts Only Non-Ghost Posts
Post Type	All Only Sticky Threads Only Opening Posts Only Reply Posts
Results	All Grouped By Threads
Order	Latest Posts First Oldest Posts First

Your latest searches