Question

2x*3*7y
2 (6+5x-y)-7x
При x=7; y=5

Answer 1

2*7*3*7*51470
2(6+5*7-5)-7*7=2(6+35-5)-49=2*36-49=72-49=23

Answer 2

2*7*3*7*5=1470