Answer
$2x^{2}+1x-36$
Work Step by Step
$(x-4)(2x+9)$
Distribute using the FOIL Method
$x(2x)+x(9)+(-4)(2x)+(-4)(9)$
Simplify
$2x^{2}+9x-8x-36$
Simplify
$2x^{2}+1x-36$
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