Page 22 - Modul Operasi Bentuk Aljabar

Contoh :

Tentukan hasil dari (2 − 5) ( + 3)

❑ Metode FOIL (The FOIL Method)
F Fist

O Outer
I Inner
L Last

2y − 5 + 3 = 2 × + 2 × 3 + −5 × + −5 × 3

2
= 2 + 6 + −5 + −15

2
= 2 + 6 − 5 − 15
2
= 2 + − 15

❑ Metode Pemisahan (The Splitting Method)

2 − 5 + 3 = 2 + 3 + −5 + 3

2
= 2 + 6 + −5 + (−15)

2
= 2 + 6 − 5 − 15

2
= 2 + − 15

❑ Metode Muka Senyum (The Smile Face Method)

2 − 5 + 3 = 2 × + −5 × 3 + 2 × 3 + (−5) ×

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