multiply

-4x(1-9x-2x^2)

1 answer

Expanding the expression:

-4x(1) - 4x(-9x) - 4x(-2x^2)
= -4x - (-36x^2) - (-8x^3)
= -4x + 36x^2 - 8x^3

Therefore, the result of multiplying -4x by (1-9x-2x^2) is -4x + 36x^2 - 8x^3.