If x represent a number , then write a expression on for a number that is eight less than twice the value of x.

(hurry! ) which expression is equivalent to the following complex fraction?

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Which of the binomials below is a factor of this trinominal? x^2-13+30