Question

using the properties find the value of 19 square minus 18 square​

Answer 1

Answer:

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Answer 2

Answer:

(19-18) ( 19+18)

Step-by-step explanation:

1. (19^2 ) - ( 18^2) = (19-18) ( 19+18) { using property no. 3 , that is (a^2 ) - ( b^2) = (a-b) ( a+b)

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