#### notes

**For example : **

7 × 106 = 7 × (100 + 6)

= 7 × 100 + 7 × 6 (Here, we used distributive law)

= 700 + 42 = 742

Similarly, (–3x) × (–5y + 2)

= (–3x) × (–5y) + (–3x) × (2)

= 15xy – 6x

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**For example : **

7 × 106 = 7 × (100 + 6)

= 7 × 100 + 7 × 6 (Here, we used distributive law)

= 700 + 42 = 742

Similarly, (–3x) × (–5y + 2)

= (–3x) × (–5y) + (–3x) × (2)

= 15xy – 6x

S