Rewrite one fourteenth times x cubed times y plus three fourteenths times x times y squared using a common factor. one seventh times x times y times the quantity 7 times x squared plus 21 times y end quantity one seventh times x times y times the quantity x squared plus 3 times y end quantity one fourteenth times x cubed times y squared times the quantity y plus 3 times x end quantity one fourteenth times x times y times the quantity x squared plus 3 times y end quantity