How can you use the properties of operations to evaluate this expression?

It says factor each expression 49x-28?

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1