Diketahui X=5p kuadrat – 1 dan y =3p kuadrat + 5. tentukan 2x kuadrat – 3y
2x-3y=2(5p²-1)² – 3(3p²+5)
=2(10p^4-1) – 6p² + 15
=20p^4 – 1 – 6p² + 15
=20p^4 – 6p² – 1 + 15
=14p² – 16
Diketahui X=5p kuadrat – 1 dan y =3p kuadrat + 5. tentukan 2x kuadrat – 3y
2x-3y=2(5p²-1)² – 3(3p²+5)
=2(10p^4-1) – 6p² + 15
=20p^4 – 1 – 6p² + 15
=20p^4 – 6p² – 1 + 15
=14p² – 16