Multiply.

Question

(9t²t-7)(4t²+9t-1)

Answer 1

Use distributive property
9 t^3 (4t²+9t-1) - 7 (4t²+9t-1)

36 t^5 + 81 t^4 - 9 t^3 - 28 t^2 - 63 t +7