bantu jawab pake cara ya..

Bab Persamaan Kuadrat
Matematika SMP Kelas VIII

(3y - 1/(2y))²
= 9y² - 2 . 3y . 1/(2y) + 1/(4y²)
= 9y² - 3 + 1/(4y²)

 

Langsung aja y

= (3y - 1/2y)²
= (3y - 1/2y) (3y - 1/2y)
= 9y² - 3y/2y - 3y/2y + 1/4y²
= 9y² - 6y/2y + 1/4y²
= 9y² - 3 + 1/4y²

Jawaban gak ada

Semoga berguna +_+