Math, asked by gyaneshsahoo7696, 11 months 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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