Show all work to solve 3x^2 + 5x - 2 = 0

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x