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Gelyalove2000
@Gelyalove2000
June 2022
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решите уравнение!!!! (х+50-2х)^2=20^2+х^2
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krugly1981
( 50 - x)² = 20² + x²
2500 - 100x + x² = 400 + x²
x² - x² - 100x = 400 - 2500
- 100x = - 2100
100x = 2100
x = 21
1 votes
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NadDer
(х+50-2х)^2=20^2+х^2(50-х)² = 20²+х²
2500 - 100х+х² = 400+х²
х²-100х-х² = 400-2500
-100х = -2100
х = 21
0 votes
Thanks 0
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Answers & Comments
2500 - 100x + x² = 400 + x²
x² - x² - 100x = 400 - 2500
- 100x = - 2100
100x = 2100
x = 21
2500 - 100х+х² = 400+х²
х²-100х-х² = 400-2500
-100х = -2100
х = 21