Упростите: 6a-1 / 2a² + 6a + 10-3a/a²-9A) 1 / 2a(a-3)B) 1 / 2a(a+3)C) 3 / 2a(a-3)D) 3 / 2a(a+3). Created by 3Lord33. algebra-ru

2a(a+3)...

August 2022 1 13 Report

Упростите: 6a-1 / 2a² + 6a + 10-3a/a²-9
A) 1 / 2a(a-3)
B) 1 / 2a(a+3)
C) 3 / 2a(a-3)
D) 3 / 2a(a+3)

Answers & Comments

NazDuDa
$\frac{(6a - 1)(a - 3) + 2a(10 - 3a)}{2a( {a} - 3)(a + 3)} = \frac{6 {a}^{2} - 19a + 3 + 20a - 6 {a}^{2} }{2a(a - 3)(a + 3)} = \frac{a + 3}{2a(a - 3)(a + 3)} = \frac{1}{2a(a - 3)}$

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odin iz uglov obrazovavshihsya pri peresechenii dvuh pryamyh v 4 raza menshe drugo9c913907c46f5d9ab232b7c454a95371 11753

abcd parallelogramm o tochka peresecheniya diagonalej ploshad treugolnika ao

a 1 pri 1 b5 a 25 b 5 c 75 d 10

5 slozhnyh predlozhenij i 10 prostyh sintaksicheskij razbor

kakomu iz sleduyushih chisel ne mozhet byt ravna tretya storona treugolnika esli

kakoe sootnoshenij verno dlya treugolnika abc esli ugol a 63 gradusa ugol v

4a10stepen v 4 stepeni

tex pri x 5a 05b 15c 3d 6

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najdite ploshad krugovogo sektora esli gradusnaya mera ego dugi ravna 72 gradusa

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