Question

reduza o polinômio 2ax - 5a x - 4by+ 5ax + 7a x + 6by

Answer 1

$\mathsf{2ax - 5a x - 4by+ 5ax + 7a x + 6by}\\\\ \mathsf{-3ax-4by+5ax+7ax+6by}\\\\ \mathsf{-3ax-4by+12ax+6by}\\\\ \mathsf{-3ax+12ax-4by+6by}\\\\ \boxed{\mathsf{9ax+2by}}$