(-5x-3)² dijabarkan menjadi
→ (-5x – 3)²
→ (-5x – 3) (-5x – 3)
→ 25x² + 15x + 15x + 9
→ 25x² + 30x + 9
(-5x – 3) ² = (-5x – 3) (-5x – 3)
Dikali masuk sehingga :
= 25x² + 15x + 15x + 9.
= 25x² + 30x + 9
(-5x-3)² dijabarkan menjadi
→ (-5x – 3)²
→ (-5x – 3) (-5x – 3)
→ 25x² + 15x + 15x + 9
→ 25x² + 30x + 9
(-5x – 3) ² = (-5x – 3) (-5x – 3)
Dikali masuk sehingga :
= 25x² + 15x + 15x + 9.
= 25x² + 30x + 9