Question

find the value of the following by using properties: 2165×179-2165×79​

Answer 1

• we will use distributive property

2165(179 - 79 )

2165 ( 100 )

216500

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Answer 2

(2165 × 179) - (2165 × 79)

= 2165 × (179 - 79)

[∵2165 is common]

= 2165 × (100)

= 216,500

Property used : Distributive property

i.e.

a × b + a × c = a × (b + c)