Question 297251
{{{7u^2 -uz -2z +14u}}} Start with the given expression



{{{(7u^2 -uz)+(-2z +14u)}}} Group up the terms into two pairs.



{{{u(7u-z)+(-2z +14u)}}} Factor out the GCF of the first group 'u'



{{{u(7u-z)+(14u-2z)}}} Rearrange the terms in the second group.



{{{u(7u-z)+2(7u-z)}}} Factor out the GCF of the first group 2



{{{(u+2)(7u-z)}}} Factor out the GCF {{{7u-z}}}



So {{{7u^2 -uz -2z +14u=(u+2)(7u-z)}}}