Math, asked by gyaneshsahoo7696, 1 year ago

Find using properties 2/5 * -3/7-3/7 * 3/5+3/7 * 4/5

Answers

Answered by pujadas1701

1

Answer:

answer is 0.08571428571

Answered by parashuramnalla

1

Answer:

Step-by-step explanation:

= ( 2/5 ) x ( -3 / 7 -3 / 7 ) x ( 3 / 5 + 3 / 7 ) x (4 / 5)

= ( 2 / 5 ) x { ( -3 -3 ) / 7 } x { 21 + 15) / 35 } x (4 / 5)

= ( 2 / 5 ) x ( -6 / 7 ) x ( 36 / 35 ) x (4 / 5)

= ( 2 x -6 x 36 x 4 ) / (5 x 7 x 35 x5 )

=-1728 / 6125

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