Question

1. $(3x^{3})(3x^{4})(-3x^{2})$

Explanation:

Step1: Multiply the coefficients

$3 \times 3 \times (-3) = -27$

Step2: Add exponents of $x$

$x^{3+4+2} = x^9$

Step3: Combine coefficient and variable

$-27 \times x^9$

Answer:

$-27x^9$