Question

18×(7+(-3))=(18×7)+(18×(-3)​

Answer 1

18 × [7+(-3)]=(18×7) +{18 ×(-3)}

18 ×4 = 126 + (-54)

72 = 126 - 54

72 = 72

LHS = RHS ...

HENCE PROVED ....

Answer 2

Answer:

given

18*(7+(-3))=(18*7)+(18*(-3)

L.H.S

18*(7+(-3))

18*(7+(-3))

18*(4)

72

R.H.S

(18*7)+(18*(-3)

126+(-54)

72

L.H.S=R.H.S

hence proved

I think ,this will help you ,my dear