How to solve this problem
example=62²–36²= (64+36)(64–36)=100×28=2800.
find the answer of the given below question.
a).73²–27²=
b).110²– 90²=
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Step-by-step explanation:
From the commutative law of Subtraction [a-b = b-a]
Let,
a=36,b=−64
Left hand side (LHS),
=36–(−64)
=36+64
=100
Right hand side (RHS),
=(−64−36)
=−(64+36)
(Take out the –ve sign outside and do subtract smaller from bigger number)
=−100
By comparing LHS and RHS,
LHS
=RHS
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