Question

1. Verify: a) [(-7) x (-9)] x 3 = (-7) x [(-9) x3] b) [(-18) +4] + 6 = (-18) + (6+4)

Answer 1

Answer:

Step-by-step explanation:

a)

LHS [-7 x -9] x 3 = 63 x 3 =  189

RHS[ (-7) x [(-9) x 3] = 189

                      Hence  verified                  

b)

LHS[(-18) + 4] + 6 = -14 + 6 = -8

RHS(-18) + (6+4) = -18 + 10 = -8

                    Hence verified                    

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