Answer:
Step-by-step explanation:
(a). = x ( 2x + 1 ) = <em>2x² + x</em>
(b). = 2( 2x + 1 )( 5x + 3 ) = <em>20x² + 22x + 6</em>
(c). = 20x² + 22x + 6 - ( 2x² + x ) =
( 20x² - 2x² ) + ( 22x - x ) + 6 =
<em>18x² + 21x + 6</em>
Bubba's gym charges a $100 membership fee and $10 per visit.
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