Question

Simplify this
Help me to solve this answer

Answer 1

-5/8x(3/7)×{(4×-15)+(4/7)×(-21/8)

let's solve the bracket first

-5/7×(3/7)×{(-60)+4/7×-21/8}

-5/7×(3/7)×{(-60)+(-96)

( know the formula of multiplication of signs)

Here is the table

+×+=+

-×-=+

+×-= _

-×+= _

now continue

-5/7×(3/7)×(-60 -96)

-5/7×(3/7)×(-156)

-5/7×(-468/7)

-5/7×-468/7

2340/49