expand the expression 2c(y+7)
12x^2-200x+60=0
2c(y+7)
4/7 divided by 2 2/5
1/5 divided by 1 3/4
6 124 long division
1 2/5 / 2/5
124
6
1/7 / 1 2/3
641.7427198 to one decimal place