How do you get the answer to 81/27x6-2

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Common binomial factor of 6x(3x+7)+5(3x+7)