question_answer

Find product \[\left( 4{{p}^{2}}+5p\text{ +}7 \right)\times 3p\]

Answer:

\[(4{{p}^{2}}+5p+7)\times \text{3p}\,\text{=}\,(4{{p}^{2}}\times 3p)+(5p\times \text{ }3p)+(7\times 3p)\]\[=(12{{p}^{3}}+15{{p}^{2}}+21p)\]