evaluate : 17 + sqrt ( - 7 + 10 ã — 6 ã · 5 ) = ?
"according to order of operations , inner brackets first where 10 x 6 ã · 5 is first calculated since it has a multiplication and a division . 10 x 6 ã · 5 = 60 ã · 5 = 12 hence 17 + sqrt ( - 7 + 10 ã — 6 ã · 5 ) = 17 + sqrt ( - 7 + 12 ) = 17 + sqrt ( 5 ) = 17 + 25 = 42 correct answer b ) 42"
add(17, sqrt(subtract(divide(multiply(10, 7), 5), 7)))