Question 772985


y = 3(x+5)(x-2) 


y = 3((x+5)(x-2))


y = 3(x(x-2)+5(x-2))


y = 3(x^2-2x+5x-10)


y = 3(x^2+3x-10)


<font color="red">y = 3x^2+9x-30</font>