Question 724878
An {{{highlight(EQUA)tion}}} must have an {{{highlight(EQUAL)}}} {{{sign}}} .
{{{7u^3+14u^2}}} is a polynomial.
We can factor it if we realize that both terms have {{{7}}}, and {{{u^2}}} as factors.
{{{7u^3=(7u^2)u}}} and {{{14u^2=(7u^2)2}}} ,
so {{{7u^3+14u^2=7u^2(u+2)}}}