Question

(7t^2-t-3)(9t^2+7t-1) multiply

Answer 1

In the form (A + B + C)(D + E + F), wouldn't this be "AD + AE + AF + BD + BE + BF + CD + CE + CF"? As in taking FOIL to the next level?

Answer 2

FOIL???

Answer 3

(A +B)(C + D). FOIL means "first" "outer" "inner" "last". Multiply the first two terms, then the outer two terms, then the inner two terms, then the last two terms.

Answer 4

yeah over my head in the math department

Answer 5

[A*C + A*D + B*C + B*D]

Answer 6

\[63 t^4+40 t^3-41 t^2-20 t+3 \]