Question

vetify the following (-21)×[(-5)+(-7)] = [(-21) × (-5)] + [(-21) × (-7)]] please raf me solve kr ke bhejiye​

Answer 1

Answer: LHS = RHS

Step-by-step explanation:

LHS

-21 x (-5 + -7)

=-21 x (-12)

=-21 x -12

=-252

________________________________________

RHS

(-21 X -5) + (-21 × -7)

= -21.          -21

X -5.         X-7

___.        ____

105.         147

___.        ____

=

105

+147

___

252

___

 

                                SINCE LHS = RHS

                                HENCE VERIFED