Question

Factor completely 2x3y4 − 8x2y3 + 6xy2.

Answer 1

Hmm
factor reach part then compare
2x^3y^4=2*x*x*x*y*y*y*y
8x^2y^3=2*2*2*x*x*y*y*y
6xy^2=2*3*x*y*y

common factor is 2*x*y*y
(2xy^2)(x^2y^2-4xy+3)
(2xy^2)(xy-3)(xy-1)