<PRE><B>Question 659019</B>
(8x + 3)(-9x + 7)


8x(-9x + 7) + 3(-9x + 7)


(8x)*(-9x) + (8x)*(7) + (3)*(-9x) + (3)*(7)


-72x^2 + 56x - 27x + 21


-72x^2 + 29x + 21


-------------------------------------------------------


So 


(8x + 3)(-9x + 7) = -72x^2 + 29x + 21</PRE>