Factor by grouping: 162x3
8x + 243x2 – 12. Show all steps.
I need help pls

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning