## Elementary Geometry for College Students (5th Edition)

$10x^{2}-29x-21$
Using FOIL method $(5x+3)(2x-7)=5x\times2x+5x\times(-7)+3\times2x+3\times(-7)$ $=10x^{2}-35x+6x-21$ $Answer=10x^{2}-29x-21$