Lil004
Lil004
27-02-2018
Mathematics
contestada
Can someone plz help me with this question
Respuesta :
sqdancefan
sqdancefan
27-02-2018
A = L*W
A = (2r+3)*(r -4)
Use the distributive property, three times in total.
.. = 2r(r -4) +3(r -4)
.. = 2r^2 -8r +3r -12
Collect terms.
A = 2r^2 -5r -12
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