Question

minus 21 x minus 17 plus minus 21 x minus 3 is equal to​

Answer 1

Answer:

here's ur answer hope this helps

Answer 2

-21 × (-17) + (-21) × (-3)

= -21 × (-17) + (-3) × (-21) [commutative property]

= -21{(-17)+(-3)} [distributive property]

= -21(-17-3)

= -21 × (-20)

= 420

Thus, -21 × (-17) + (-21) × (-3) = 420