X²y²-x²+y-20 jika x=2 dan y =3 By Admin ReiPosted on December 9, 2022 X²y²-x²+y-20 jika x=2 dan y =3 Jawaban: x²y²-x²+y-20=2²y² – 2² + y – 20 =4y² – 4 + y -20 =1 – 20 = -19