Rewrite one eighteenthx3y + seven eighteenthsxy2 using a common factor.
a one thirdxy(6x2 + 7y)
b one thirdx2y(6x2 + 9y)
c one eighteenthxy(x2 + 7y)
d one eighteenthx3y2(y + 7)
a one thirdxy(6x2 + 7y)
b one thirdx2y(6x2 + 9y)
c one eighteenthxy(x2 + 7y)
d one eighteenthx3y2(y + 7)