Question

[ 45+ (5² -20 ) ] .x =10³ .15

Answer 1

[ 45+ (5² -20 ) ] .x =10³ .15

=> (45+5).x=1000.15

=> 50x=15000

=> x=15000:50

=> x=300

Answer 2

[ 45 + (5² -20 ) ] .x =10³ .15

(45 + 5) . x = 15000

50 . x = 15000

x = 15000 : 50

x = 300