Answer:
-84x^7
Explanation:
The product of (4x)(-3x³)(-7x³) is -84x^8.
To calculate the product, we multiply the coefficients together and add the exponents of the variables:
4 * (-3) * (-7) = 84
x^1 * x^3 * x^3 = x^(1+3+3) = x^7
Combining the coefficient and the variable, we get -84x^7.