Three students were given the expression shown and were asked to take a common factor out of two of the terms. use the drop-down menus to complete the statements about whether each student's answer is an equivalent expression. then choose an expression that is equivalent.
chang: 4−3(3x+7) chang's expression
benjamin: 4+3(3x+7) benjamin's expression
habib: 4+12x habib's expression
equivalent expression the correct simplification of this expression