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22. The area of a rectangular room is given by the trinomial ^2 + 3 − 40. What are the possible dimensions of the rectangle? Use factoring.

Respuesta :

devishri1977

Answer:

Step-by-step explanation:

x² + 3x - 40 = x² + 8x -5x - 5*8

= x*(x + 8) -5*(x+8)

=(x+8)*(x-5)

possible dimensions of the rectangle are: (x+8);(x-5)

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