Aeroplane Aeroplane

01-11-2020
Mathematics

contestada

A rectangle has length x cm and width 2 cm less
than its length. It has an area of 146 cm².
Show that x² – 2x = 146

Respuesta :

gufeliz1965 gufeliz1965

01-11-2020

x^2 - 2x = 146

x^2 - 2x - 146 = 0

See attachment. The quadratic formula is needed in this case.

Ver imagen gufeliz1965

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ajwentzel17 ajwentzel17

01-11-2020

i think you can just factor it out by taking x out of the left side of the equation

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