Question

Evaluate using suitable properties c)-217 x 151 + (-217) x 349

Answer 1

$$\begin{gathered} \left(-217\right)\times 151+\left(-217\right)\times 349 \\ =\left(-217\right)\times \left[151+349\right]\left[\mathrm{distributive}\mathrm{law}\right] \\ =\left(-217\right)\times \left(500\right) \\ =-108500 \end{gathered}$$