15*(7+(-3))=15*7+15*(-3) how to slove thes i need fast

LHS = 15×7+-3=15×7-3=15×4=60RHS = 15×7 + 15×-3=105 + -45=105 - 45=60So, LHS = RHS

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15*(7+(-3))=15*7+15*(-3)
15*(7-3)=105+(-45)
15*4=105-45

60=60

Thus proved!
15*(7+(-3))=15*7+15*(-3).

=60=60

Hope this answer helps you..
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