<PRE><B>Question 20519</B>
(4x+3)(5x-4)
you need to multiply these expressions together
start with the 4x
4x X 5x=20{{{x^2}}}
4x X -4=-16x
now do same with the 3
3 X 5x=15x
3 X -4=-12
now put these terms together
{{{20x^2-16x+15x-12}}} this gives final expression of
{{{20x^2-x-12}}}
Pete
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