/sci/ - Science & Math » Thread #12638217

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Anonymous Thu 28 Jan 18:09:42 2021 No.12638217 View Reply Original Report

Quoted By: >>12638822 >>12638918

Let x, y, z be integers. Prove that if y ? 2 is a multiple of x and z + 3 is a multiple
of x , then yz + 6 is a multiple of x.

Anonymous

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Anonymous Thu 28 Jan 2021 18:16:17 No.12638249 Report

Quoted By: >>12638275

Expand (y-2)(z+3) and then add / subtract (y-2) and (z+3) from the resulting expression until you get yz+6. Next time please go to >>>/wsr/ or /sqt/, a thread died for this shit.

Anonymous

Anonymous Thu 28 Jan 2021 18:21:25 No.12638275 Report

Quoted By: >>12639010

>>12638249
Those places answer to slowly.

Anonymous

Anonymous Thu 28 Jan 2021 20:04:58 No.12638822 Report

Quoted By:

>>12638217
y - 2 = n x, n in Z
z + 3 = m x, m in Z
y z + 6 = (n x + 2) (m x - 3) + 6 = n m x^2 + 2 m x - 3 n x
= (n m x + 2 m - 3 n ) x

Anonymous

Anonymous Thu 28 Jan 2021 20:23:30 No.12638918 Report

Quoted By:

>>12638217
can't you just do your homework with python or something?

Anonymous

Anonymous Thu 28 Jan 2021 20:36:18 No.12639010 Report

Quoted By:

>>12638275
It doesn't need to be answered at all.

Anonymous

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Anonymous Thu 28 Jan 2021 21:02:53 No.12639233 Report

Quoted By:

X = 1

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