Find the value of X.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Ineed with math stuff it involves graphs

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo