1.(3×-2) (3×+2)

Jawaban:

1.(3×-2) (3×+2)

= 9x² + 6x – 6x – 4

= 9x² – 4

2.(4×-3) (4×+3)

= 16x² + 12x – 12x – 9

= 16x² – 9

3.(5×-4) (5×+4)

= 25x² + 20x – 20x – 16

= 25x² – 16

4.(3×-5y) (3×+5y)

= 9x² + 15xy – 15xy – 25y²

= 9x² – 25y²

5.(6×-2y) (6×+2y)

= 36x² + 12xy – 12xy – 4y²

= 36x² – 4y²

Semoga bermanfaat