Question

6. Find the product using suitable property: (-21) × (-17) +(-21) (-3)​

Answer 1

Answer:

420

Step-by-step explanation:

(-21)×(-17)+(-21)(3)=357+63=420

Answer 2

Answer:

Ans: 420

Step-by-step explanation:

  ( - 21)  x ( - 17) + ( - 21) x ( - 3)

= (-21 ) x { (-17 ) + (-3 ) }

= (-21 )  x (-20 )

= 420

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