Find the product:(2x + 5) × (4x − 3)
By horizontal method:
$(2 x+5) \times(4 x-3)$
$=2 x(4 x-3)+5(4 x-3)$
$=8 x^{2}-6 x+20 x-15$
$=8 x^{2}+14 x-15$
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