18*[7*(-3)]=[(18*7]+[18*(-3)]
verify
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Answer:
(a) 18 × [7 + (–3)] = [18 × 7] + [18 × (–3)]
18 × [4] = [18 × 7] + [–54]
18 × [4] = 126 –54
72=72
LHS=RHS
hence verified!
(b) (–21) × [(– 4) + (– 6)] = [(–21) × (– 4)] + [(–21) × (– 6)]
(–21) × (-10) = 84 +126
210 = 210
LHS = RHS
hence verified !
Step-by-step explanation:
explained
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