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What is the length and width of the rectangle if the area is given by trinomial r squared - 2r - 15. Use factoring

Respuesta :

Answer:

(r+3)(r-5)

Step-by-step explanation:

r^2-2r-15

(r+3)(r-5)

+3-5=-2

+3*-5=-15

Answer:

The length is r + 3 and the width  r - 5..

Step-by-step explanation:

r^2 - 2r - 15

= (r - 5)(r + 3)

The length is r + 3 and the width  r - 5

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