13. What polynomials describes the area of the rectangle shown?
1x +5
2x-4

Answer:
2x² + 6x - 20
Step-by-step explanation:
A = ( 2x - 4 )( x + 5 )
A = 2x( x + 5 ) - 4 ( x + 5 )
A = 2x² + 10x - 4x - 20
A = 2x² + 6x - 20