Решите пж Х^2-у=5 2у+х=11. Created by NikitosiX. algebra-ru

Решите пж Х^2-у=5 2у+х=11...

August 2022 1 6 Report

Решите пж
Х^2-у=5
2у+х=11

Answers & Comments

selmash21 У=х^2-5

2(х^2-5)+х=11
2х^2+х-10-11=0
2х^2+х-21=0
д=1-4×2×(-21)=169
х1=(-1-13)/2×2=-7/2=-3.5
х2=(-1+13)/2×2=3
у1=(-3.5)^2-5=7.25
у2=3^2-5=4
(-3.5;7.25)(3;4)

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sostavte 10 voprosov na temu obrazovanie sssr srochno

srochno pozhalujsta x 3xy y9 x 2y4

esli srednyaya zarabotnaya plata rabotnikov uvelichilas na 10 a chislennost rabot

osnovnaya ideya povesti sobache serdce bukvalno v 2 3 slovah

raspolozhite v poryadke vozrastaniya 05 052 0532b249877b2c94ba068fd6ecf62ee270f 8081

kvadratnyj tryohchlen razlozhen na mnozhiteli x26x 27x9x a najdite afb836092415d7ee40b9625fdd7f69aa2 842

kakie est plyusy i minusy ufc

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