Question

(3x^2)(-4x^7) + x^2 .. how to solve using exponent laws?

Answer 1

Answer: -12x^9+x^2

Step-by-step explanation:

$\begin{array}{l}(3x^2)(-4x^7)+x^2\\=-12x^2x^7+x^2\\=-12x^{2+7}+x^2\\=-12x^9+x^2\end{array}$