factor completely 3t^{3 }+ 5t^{2 }- 12t
Hi Brandon;
3t^{3} + 5t^{2} - 12t
t(3t^{2}+5t-12)
To FOIL 3t^{2}+5t-12....
FIRST...(3t)(t)
LAST...either (-4)(3) or (4)(-3) or (6)(-2) or (-6)(2) or (12)(-1) or (-12)(1)
t(3t-4)(t+3)
FOIL...(3t-4)(t+3)...
FIRST...3t(t)
OUTER...(3t)(3)=9t
INNER...(-4)(t)=-4t
LAST...(-4)(3)
3t^{2}+9t-4t-12
3t^{2}+5t-12