Question

evaluate ( 7x/8 +4y/5)2
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Answer 1

Solution:-

=> ( 7x/8 +4y/5)2

= ( ( 5*7x + 8*4y)/8*5)*2

= (35x + 32y / 40)*2

=35x + 32y / 20

= (35x /20 ) +( 32y/20)

= 7x/ 4 + 8x/5

or...

= 35x + 32y / 20

= 1/20 ( 35x + 32y)

i hope it helps you...