Question 191468
1) *[Tex \LARGE 32k^3n^2m+112k^2 nm^2+98km^3] factors to *[Tex \LARGE 2km(4kn+7m)^2]



2) *[Tex \LARGE 9k^2-16m^2] factors to *[Tex \LARGE (3k-4m)(3k+4m)]



1) *[Tex \LARGE 147a^4b-48b^3] factors to *[Tex \LARGE 3b(7a^2-4b)(7a^2+4b)]



1) *[Tex \LARGE x^2-\frac{2}{3}x+c] doesn't factor