質問: How do you simplify #10x^2(x+5)/3 * 9/(2x)#? ============================================
回答: #### Answer: #10x^2(x+5)/3cdot9/(2x)=15x^2+75x# #### Explanation: #10x^2(x+5)/3cdot9/(2x)=(5xcdotcancel(2x))(x+5)/3cdot9/cancel(2x)# #=5x(x+5)/cancel3cdot(3*cancel3)# #=15x(x+5)=15x*x+15x*5=15x^2+75x#