(x-3y)kuadrat-(y-x)kuadrat=
Matematika
devina1596
Pertanyaan
(x-3y)kuadrat-(y-x)kuadrat=
2 Jawaban
-
1. Jawaban SadonoSukirno
(x - 3y)² - (y - x)²
= x² - 6xy + 9y² - (y² - 2xy + x²)
= 8y² - 4xy -
2. Jawaban newwiguna
(x - 3y)² - (y - x)² = ((x-3y)+(y-x))((x-3y)-(y-x))
= (x-3y+y-x)(x-3y-y+x)
= (-2y)(2x-4y)
= -4xy + 8y²
= 4y(2y - x)