25×(-20)+(-45)×20

Please use the property and show steps

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Solution

25 x (-20) + (-45) x 20

20(25 x (-1) - 45 )
20(-25 -45)
20 x (-70)
-1400

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Similar questions

- 25 + (- 20) = (- 45)

\frac{2}{3} \times (\frac{5}{7} \times \frac{3}{4}) :

\frac{2}{3} \times (\frac{5}{7} \times \frac{3}{4}) = \frac{2}{3} \times (\frac{3}{4} \times \frac{5}{7})

\frac{2}{3} \times (\frac{3}{4} \times \frac{5}{7}) = (\frac{2}{3} \times \frac{3}{4}) \times \frac{5}{7}

\frac{1}{2} \times \frac{5}{7} = \frac{5}{14}

Marks	0-5	5-10	10-15	15-20	20-25	25-30	30-35	35-40	40-45	45-50
Frequency	3	5	7	8	10	11	14	19	15	13

1*(-23/45)=(-23/45)*1

Which property is used here ?

213 \times 45 + 213 \times 55

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