Question

please help me to solve the problem and it's really important solve it quickly with the formula ​

Answer 1

Answer:

Here's your answer mate-

18×[7+(-3)]=[18×7]+[18×(3)]

=>18×[7-3]=[126] +[54]

=> 18×4=180

=> 72=180

hence, proved that 18×[7+(-3)] is not equal to [18×7]+[18×(3)].

hope it's help you