JAWAB SOAL MATEMATIKA BERIKUT CARA + JAWABAN

JAWAB SOAL MATEMATIKA BERIKUT

CARA + JAWABAN

Jawaban

Mapel : MTK

Kelas : 9

Materi : Bentuk Akar

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Ex :

? a (?b)

Artinya, bilangan (a) dikalikan dengan (?b).

{{ 1 }}

=> ?3 (4 + ?6)

=> 4?3 + ?18

=> 4?3 + ?9 ?2

=> 4?3 + 3?2

{{ 2 }}

=> (4 + ?5) (4?5)

=> 16?5 + 4?25

=> 16?5 + 4 × 5

=> 16?5 + 20

{{ 3 }}

=> (?2 + ?7) (?2 + ?7)

=> ?4 + ?14 + ?14 + ?49

=> 2 + (1 + 1) ?14 + 7

=> 2 + 7 + 2?14

=> 9 + 2?14

{{ 4 }}

=> (?3 – ?7) (?3 – ?7)

=> ?9 – ?21 – ?21 + ?49

=> 3 – 2?21 + 7

=> 3 + 7 – 2?21

=> 10 – 2?21

Semoga membantu dan jelas ya……

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