Answer :

The area of a parallelogram is (base) x (height). So...

(2x + 1)(5x + 7)

2x(5x + 7) +1(5x + 7)

10[tex]x^2[/tex] + 14x + 5x +7

10[tex]x^2[/tex] + 19x + 7 = Area

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