use associative property , find the product of 14multiply by 45
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14*45=14(5*9)
now by associative property
(a*b)*c=a*(b*c)
so
14*(5*9)=(14*9)*5
lhs=14*45=630
rhs=126*5=630
so
LHS=RHS
now by associative property
(a*b)*c=a*(b*c)
so
14*(5*9)=(14*9)*5
lhs=14*45=630
rhs=126*5=630
so
LHS=RHS
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