Find (-49) x 18;(-25) * (-31); 70 x (-19) + (-1) x 70 using distributive property. ​

Question

Find (-49) x 18;(-25) * (-31); 70 x (-19) + (-1) x 70 using distributive property.

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Skylar 1 month 2021-08-20T11:13:07+00:00 1 Answer 0 views 0

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    2021-08-20T11:14:49+00:00

    Answer:

    daya karke brainliest and thanks karo plz

    Step-by-step explanation:

    Distributive law : for any integers a, b and c, a \times (b + c) = a \times b + a \times c

    \\ (- 49) \times 18 = (-50+1)\times18 = (-50)\times18 + 1\times18 \\ = -900 + 18 = -782 \\ \\ (-25) \times (-31) = (-25)\times((-30) + (-1)) \\ = (-25)\times(-30) + (-25)\times(-1) = 750+25 = 725 \\ \\ 70 \times (-19) + (-1) \times 70 = 70\times((-19)+ (-1)) \\ = 70\times(-20) = -1400

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